1 /*- 2 * SPDX-License-Identifier: BSD-4-Clause 3 * 4 * Copyright 1997 Sean Eric Fagan 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Sean Eric Fagan 17 * 4. Neither the name of the author may be used to endorse or promote 18 * products derived from this software without specific prior written 19 * permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include <sys/cdefs.h> 35 __FBSDID("$FreeBSD$"); 36 37 /* 38 * This file has routines used to print out system calls and their 39 * arguments. 40 */ 41 42 #include <sys/aio.h> 43 #include <sys/capsicum.h> 44 #include <sys/types.h> 45 #define _WANT_FREEBSD11_KEVENT 46 #include <sys/event.h> 47 #include <sys/ioccom.h> 48 #include <sys/mman.h> 49 #include <sys/mount.h> 50 #include <sys/poll.h> 51 #include <sys/procfs.h> 52 #include <sys/ptrace.h> 53 #include <sys/resource.h> 54 #include <sys/sched.h> 55 #include <sys/socket.h> 56 #define _WANT_FREEBSD11_STAT 57 #include <sys/stat.h> 58 #include <sys/sysctl.h> 59 #include <sys/time.h> 60 #include <sys/un.h> 61 #include <sys/wait.h> 62 #include <netinet/in.h> 63 #include <netinet/sctp.h> 64 #include <arpa/inet.h> 65 66 #include <assert.h> 67 #include <ctype.h> 68 #include <err.h> 69 #define _WANT_KERNEL_ERRNO 70 #include <errno.h> 71 #include <fcntl.h> 72 #include <signal.h> 73 #include <stdbool.h> 74 #include <stddef.h> 75 #include <stdio.h> 76 #include <stdlib.h> 77 #include <string.h> 78 #include <sysdecode.h> 79 #include <unistd.h> 80 #include <vis.h> 81 82 #include "truss.h" 83 #include "extern.h" 84 #include "syscall.h" 85 86 /* 87 * This should probably be in its own file, sorted alphabetically. 88 * 89 * Note: We only scan this table on the initial syscall number to calling 90 * convention lookup, i.e. once each time a new syscall is encountered. This 91 * is unlikely to be a performance issue, but if it is we could sort this array 92 * and use a binary search instead. 93 */ 94 static const struct syscall_decode decoded_syscalls[] = { 95 /* Native ABI */ 96 { .name = "__acl_aclcheck_fd", .ret_type = 1, .nargs = 3, 97 .args = { { Int, 0 }, { Acltype, 1 }, { Ptr, 2 } } }, 98 { .name = "__acl_aclcheck_file", .ret_type = 1, .nargs = 3, 99 .args = { { Name, 0 }, { Acltype, 1 }, { Ptr, 2 } } }, 100 { .name = "__acl_aclcheck_link", .ret_type = 1, .nargs = 3, 101 .args = { { Name, 0 }, { Acltype, 1 }, { Ptr, 2 } } }, 102 { .name = "__acl_delete_fd", .ret_type = 1, .nargs = 2, 103 .args = { { Int, 0 }, { Acltype, 1 } } }, 104 { .name = "__acl_delete_file", .ret_type = 1, .nargs = 2, 105 .args = { { Name, 0 }, { Acltype, 1 } } }, 106 { .name = "__acl_delete_link", .ret_type = 1, .nargs = 2, 107 .args = { { Name, 0 }, { Acltype, 1 } } }, 108 { .name = "__acl_get_fd", .ret_type = 1, .nargs = 3, 109 .args = { { Int, 0 }, { Acltype, 1 }, { Ptr, 2 } } }, 110 { .name = "__acl_get_file", .ret_type = 1, .nargs = 3, 111 .args = { { Name, 0 }, { Acltype, 1 }, { Ptr, 2 } } }, 112 { .name = "__acl_get_link", .ret_type = 1, .nargs = 3, 113 .args = { { Name, 0 }, { Acltype, 1 }, { Ptr, 2 } } }, 114 { .name = "__acl_set_fd", .ret_type = 1, .nargs = 3, 115 .args = { { Int, 0 }, { Acltype, 1 }, { Ptr, 2 } } }, 116 { .name = "__acl_set_file", .ret_type = 1, .nargs = 3, 117 .args = { { Name, 0 }, { Acltype, 1 }, { Ptr, 2 } } }, 118 { .name = "__acl_set_link", .ret_type = 1, .nargs = 3, 119 .args = { { Name, 0 }, { Acltype, 1 }, { Ptr, 2 } } }, 120 { .name = "__cap_rights_get", .ret_type = 1, .nargs = 3, 121 .args = { { Int, 0 }, { Int, 1 }, { CapRights | OUT, 2 } } }, 122 { .name = "__getcwd", .ret_type = 1, .nargs = 2, 123 .args = { { Name | OUT, 0 }, { Int, 1 } } }, 124 { .name = "__realpathat", .ret_type = 1, .nargs = 5, 125 .args = { { Atfd, 0 }, { Name | IN, 1 }, { Name | OUT, 2 }, 126 { Sizet, 3 }, { Int, 4} } }, 127 { .name = "_umtx_op", .ret_type = 1, .nargs = 5, 128 .args = { { Ptr, 0 }, { Umtxop, 1 }, { LongHex, 2 }, { Ptr, 3 }, 129 { Ptr, 4 } } }, 130 { .name = "accept", .ret_type = 1, .nargs = 3, 131 .args = { { Int, 0 }, { Sockaddr | OUT, 1 }, { Ptr | OUT, 2 } } }, 132 { .name = "access", .ret_type = 1, .nargs = 2, 133 .args = { { Name | IN, 0 }, { Accessmode, 1 } } }, 134 { .name = "aio_cancel", .ret_type = 1, .nargs = 2, 135 .args = { { Int, 0 }, { Aiocb, 1 } } }, 136 { .name = "aio_error", .ret_type = 1, .nargs = 1, 137 .args = { { Aiocb, 0 } } }, 138 { .name = "aio_fsync", .ret_type = 1, .nargs = 2, 139 .args = { { AiofsyncOp, 0 }, { Aiocb, 1 } } }, 140 { .name = "aio_mlock", .ret_type = 1, .nargs = 1, 141 .args = { { Aiocb, 0 } } }, 142 { .name = "aio_read", .ret_type = 1, .nargs = 1, 143 .args = { { Aiocb, 0 } } }, 144 { .name = "aio_return", .ret_type = 1, .nargs = 1, 145 .args = { { Aiocb, 0 } } }, 146 { .name = "aio_suspend", .ret_type = 1, .nargs = 3, 147 .args = { { AiocbArray, 0 }, { Int, 1 }, { Timespec, 2 } } }, 148 { .name = "aio_waitcomplete", .ret_type = 1, .nargs = 2, 149 .args = { { AiocbPointer | OUT, 0 }, { Timespec, 1 } } }, 150 { .name = "aio_write", .ret_type = 1, .nargs = 1, 151 .args = { { Aiocb, 0 } } }, 152 { .name = "bind", .ret_type = 1, .nargs = 3, 153 .args = { { Int, 0 }, { Sockaddr | IN, 1 }, { Socklent, 2 } } }, 154 { .name = "bindat", .ret_type = 1, .nargs = 4, 155 .args = { { Atfd, 0 }, { Int, 1 }, { Sockaddr | IN, 2 }, 156 { Int, 3 } } }, 157 { .name = "break", .ret_type = 1, .nargs = 1, 158 .args = { { Ptr, 0 } } }, 159 { .name = "cap_fcntls_get", .ret_type = 1, .nargs = 2, 160 .args = { { Int, 0 }, { CapFcntlRights | OUT, 1 } } }, 161 { .name = "cap_fcntls_limit", .ret_type = 1, .nargs = 2, 162 .args = { { Int, 0 }, { CapFcntlRights, 1 } } }, 163 { .name = "cap_getmode", .ret_type = 1, .nargs = 1, 164 .args = { { PUInt | OUT, 0 } } }, 165 { .name = "cap_rights_limit", .ret_type = 1, .nargs = 2, 166 .args = { { Int, 0 }, { CapRights, 1 } } }, 167 { .name = "chdir", .ret_type = 1, .nargs = 1, 168 .args = { { Name, 0 } } }, 169 { .name = "chflags", .ret_type = 1, .nargs = 2, 170 .args = { { Name | IN, 0 }, { FileFlags, 1 } } }, 171 { .name = "chflagsat", .ret_type = 1, .nargs = 4, 172 .args = { { Atfd, 0 }, { Name | IN, 1 }, { FileFlags, 2 }, 173 { Atflags, 3 } } }, 174 { .name = "chmod", .ret_type = 1, .nargs = 2, 175 .args = { { Name, 0 }, { Octal, 1 } } }, 176 { .name = "chown", .ret_type = 1, .nargs = 3, 177 .args = { { Name, 0 }, { Int, 1 }, { Int, 2 } } }, 178 { .name = "chroot", .ret_type = 1, .nargs = 1, 179 .args = { { Name, 0 } } }, 180 { .name = "clock_gettime", .ret_type = 1, .nargs = 2, 181 .args = { { Int, 0 }, { Timespec | OUT, 1 } } }, 182 { .name = "close", .ret_type = 1, .nargs = 1, 183 .args = { { Int, 0 } } }, 184 { .name = "closefrom", .ret_type = 1, .nargs = 1, 185 .args = { { Int, 0 } } }, 186 { .name = "close_range", .ret_type = 1, .nargs = 3, 187 .args = { { Int, 0 }, { Int, 1 }, { Closerangeflags, 2 } } }, 188 { .name = "compat11.fstat", .ret_type = 1, .nargs = 2, 189 .args = { { Int, 0 }, { Stat11 | OUT, 1 } } }, 190 { .name = "compat11.fstatat", .ret_type = 1, .nargs = 4, 191 .args = { { Atfd, 0 }, { Name | IN, 1 }, { Stat11 | OUT, 2 }, 192 { Atflags, 3 } } }, 193 { .name = "compat11.kevent", .ret_type = 1, .nargs = 6, 194 .args = { { Int, 0 }, { Kevent11, 1 }, { Int, 2 }, 195 { Kevent11 | OUT, 3 }, { Int, 4 }, { Timespec, 5 } } }, 196 { .name = "compat11.lstat", .ret_type = 1, .nargs = 2, 197 .args = { { Name | IN, 0 }, { Stat11 | OUT, 1 } } }, 198 { .name = "compat11.mknod", .ret_type = 1, .nargs = 3, 199 .args = { { Name, 0 }, { Octal, 1 }, { Int, 2 } } }, 200 { .name = "compat11.mknodat", .ret_type = 1, .nargs = 4, 201 .args = { { Atfd, 0 }, { Name, 1 }, { Octal, 2 }, { Int, 3 } } }, 202 { .name = "compat11.stat", .ret_type = 1, .nargs = 2, 203 .args = { { Name | IN, 0 }, { Stat11 | OUT, 1 } } }, 204 { .name = "connect", .ret_type = 1, .nargs = 3, 205 .args = { { Int, 0 }, { Sockaddr | IN, 1 }, { Socklent, 2 } } }, 206 { .name = "connectat", .ret_type = 1, .nargs = 4, 207 .args = { { Atfd, 0 }, { Int, 1 }, { Sockaddr | IN, 2 }, 208 { Int, 3 } } }, 209 { .name = "dup", .ret_type = 1, .nargs = 1, 210 .args = { { Int, 0 } } }, 211 { .name = "dup2", .ret_type = 1, .nargs = 2, 212 .args = { { Int, 0 }, { Int, 1 } } }, 213 { .name = "eaccess", .ret_type = 1, .nargs = 2, 214 .args = { { Name | IN, 0 }, { Accessmode, 1 } } }, 215 { .name = "execve", .ret_type = 1, .nargs = 3, 216 .args = { { Name | IN, 0 }, { ExecArgs | IN, 1 }, 217 { ExecEnv | IN, 2 } } }, 218 { .name = "exit", .ret_type = 0, .nargs = 1, 219 .args = { { Hex, 0 } } }, 220 { .name = "extattr_delete_fd", .ret_type = 1, .nargs = 3, 221 .args = { { Int, 0 }, { Extattrnamespace, 1 }, { Name, 2 } } }, 222 { .name = "extattr_delete_file", .ret_type = 1, .nargs = 3, 223 .args = { { Name, 0 }, { Extattrnamespace, 1 }, { Name, 2 } } }, 224 { .name = "extattr_delete_link", .ret_type = 1, .nargs = 3, 225 .args = { { Name, 0 }, { Extattrnamespace, 1 }, { Name, 2 } } }, 226 { .name = "extattr_get_fd", .ret_type = 1, .nargs = 5, 227 .args = { { Int, 0 }, { Extattrnamespace, 1 }, { Name, 2 }, 228 { BinString | OUT, 3 }, { Sizet, 4 } } }, 229 { .name = "extattr_get_file", .ret_type = 1, .nargs = 5, 230 .args = { { Name, 0 }, { Extattrnamespace, 1 }, { Name, 2 }, 231 { BinString | OUT, 3 }, { Sizet, 4 } } }, 232 { .name = "extattr_get_link", .ret_type = 1, .nargs = 5, 233 .args = { { Name, 0 }, { Extattrnamespace, 1 }, { Name, 2 }, 234 { BinString | OUT, 3 }, { Sizet, 4 } } }, 235 { .name = "extattr_list_fd", .ret_type = 1, .nargs = 4, 236 .args = { { Int, 0 }, { Extattrnamespace, 1 }, { BinString | OUT, 2 }, 237 { Sizet, 3 } } }, 238 { .name = "extattr_list_file", .ret_type = 1, .nargs = 4, 239 .args = { { Name, 0 }, { Extattrnamespace, 1 }, { BinString | OUT, 2 }, 240 { Sizet, 3 } } }, 241 { .name = "extattr_list_link", .ret_type = 1, .nargs = 4, 242 .args = { { Name, 0 }, { Extattrnamespace, 1 }, { BinString | OUT, 2 }, 243 { Sizet, 3 } } }, 244 { .name = "extattr_set_fd", .ret_type = 1, .nargs = 5, 245 .args = { { Int, 0 }, { Extattrnamespace, 1 }, { Name, 2 }, 246 { BinString | IN, 3 }, { Sizet, 4 } } }, 247 { .name = "extattr_set_file", .ret_type = 1, .nargs = 5, 248 .args = { { Name, 0 }, { Extattrnamespace, 1 }, { Name, 2 }, 249 { BinString | IN, 3 }, { Sizet, 4 } } }, 250 { .name = "extattr_set_link", .ret_type = 1, .nargs = 5, 251 .args = { { Name, 0 }, { Extattrnamespace, 1 }, { Name, 2 }, 252 { BinString | IN, 3 }, { Sizet, 4 } } }, 253 { .name = "extattrctl", .ret_type = 1, .nargs = 5, 254 .args = { { Name, 0 }, { Hex, 1 }, { Name, 2 }, 255 { Extattrnamespace, 3 }, { Name, 4 } } }, 256 { .name = "faccessat", .ret_type = 1, .nargs = 4, 257 .args = { { Atfd, 0 }, { Name | IN, 1 }, { Accessmode, 2 }, 258 { Atflags, 3 } } }, 259 { .name = "fchflags", .ret_type = 1, .nargs = 2, 260 .args = { { Int, 0 }, { FileFlags, 1 } } }, 261 { .name = "fchmod", .ret_type = 1, .nargs = 2, 262 .args = { { Int, 0 }, { Octal, 1 } } }, 263 { .name = "fchmodat", .ret_type = 1, .nargs = 4, 264 .args = { { Atfd, 0 }, { Name, 1 }, { Octal, 2 }, { Atflags, 3 } } }, 265 { .name = "fchown", .ret_type = 1, .nargs = 3, 266 .args = { { Int, 0 }, { Int, 1 }, { Int, 2 } } }, 267 { .name = "fchownat", .ret_type = 1, .nargs = 5, 268 .args = { { Atfd, 0 }, { Name, 1 }, { Int, 2 }, { Int, 3 }, 269 { Atflags, 4 } } }, 270 { .name = "fcntl", .ret_type = 1, .nargs = 3, 271 .args = { { Int, 0 }, { Fcntl, 1 }, { Fcntlflag, 2 } } }, 272 { .name = "fdatasync", .ret_type = 1, .nargs = 1, 273 .args = { { Int, 0 } } }, 274 { .name = "flock", .ret_type = 1, .nargs = 2, 275 .args = { { Int, 0 }, { Flockop, 1 } } }, 276 { .name = "fstat", .ret_type = 1, .nargs = 2, 277 .args = { { Int, 0 }, { Stat | OUT, 1 } } }, 278 { .name = "fstatat", .ret_type = 1, .nargs = 4, 279 .args = { { Atfd, 0 }, { Name | IN, 1 }, { Stat | OUT, 2 }, 280 { Atflags, 3 } } }, 281 { .name = "fstatfs", .ret_type = 1, .nargs = 2, 282 .args = { { Int, 0 }, { StatFs | OUT, 1 } } }, 283 { .name = "fsync", .ret_type = 1, .nargs = 1, 284 .args = { { Int, 0 } } }, 285 { .name = "ftruncate", .ret_type = 1, .nargs = 2, 286 .args = { { Int | IN, 0 }, { QuadHex | IN, 1 } } }, 287 { .name = "futimens", .ret_type = 1, .nargs = 2, 288 .args = { { Int, 0 }, { Timespec2 | IN, 1 } } }, 289 { .name = "futimes", .ret_type = 1, .nargs = 2, 290 .args = { { Int, 0 }, { Timeval2 | IN, 1 } } }, 291 { .name = "futimesat", .ret_type = 1, .nargs = 3, 292 .args = { { Atfd, 0 }, { Name | IN, 1 }, { Timeval2 | IN, 2 } } }, 293 { .name = "getdirentries", .ret_type = 1, .nargs = 4, 294 .args = { { Int, 0 }, { BinString | OUT, 1 }, { Int, 2 }, 295 { PQuadHex | OUT, 3 } } }, 296 { .name = "getfsstat", .ret_type = 1, .nargs = 3, 297 .args = { { Ptr, 0 }, { Long, 1 }, { Getfsstatmode, 2 } } }, 298 { .name = "getitimer", .ret_type = 1, .nargs = 2, 299 .args = { { Int, 0 }, { Itimerval | OUT, 2 } } }, 300 { .name = "getpeername", .ret_type = 1, .nargs = 3, 301 .args = { { Int, 0 }, { Sockaddr | OUT, 1 }, { Ptr | OUT, 2 } } }, 302 { .name = "getpgid", .ret_type = 1, .nargs = 1, 303 .args = { { Int, 0 } } }, 304 { .name = "getpriority", .ret_type = 1, .nargs = 2, 305 .args = { { Priowhich, 0 }, { Int, 1 } } }, 306 { .name = "getrandom", .ret_type = 1, .nargs = 3, 307 .args = { { BinString | OUT, 0 }, { Sizet, 1 }, { UInt, 2 } } }, 308 { .name = "getrlimit", .ret_type = 1, .nargs = 2, 309 .args = { { Resource, 0 }, { Rlimit | OUT, 1 } } }, 310 { .name = "getrusage", .ret_type = 1, .nargs = 2, 311 .args = { { RusageWho, 0 }, { Rusage | OUT, 1 } } }, 312 { .name = "getsid", .ret_type = 1, .nargs = 1, 313 .args = { { Int, 0 } } }, 314 { .name = "getsockname", .ret_type = 1, .nargs = 3, 315 .args = { { Int, 0 }, { Sockaddr | OUT, 1 }, { Ptr | OUT, 2 } } }, 316 { .name = "getsockopt", .ret_type = 1, .nargs = 5, 317 .args = { { Int, 0 }, { Sockoptlevel, 1 }, { Sockoptname, 2 }, 318 { Ptr | OUT, 3 }, { Ptr | OUT, 4 } } }, 319 { .name = "gettimeofday", .ret_type = 1, .nargs = 2, 320 .args = { { Timeval | OUT, 0 }, { Ptr, 1 } } }, 321 { .name = "ioctl", .ret_type = 1, .nargs = 3, 322 .args = { { Int, 0 }, { Ioctl, 1 }, { Ptr, 2 } } }, 323 { .name = "kevent", .ret_type = 1, .nargs = 6, 324 .args = { { Int, 0 }, { Kevent, 1 }, { Int, 2 }, { Kevent | OUT, 3 }, 325 { Int, 4 }, { Timespec, 5 } } }, 326 { .name = "kill", .ret_type = 1, .nargs = 2, 327 .args = { { Int | IN, 0 }, { Signal | IN, 1 } } }, 328 { .name = "kldfind", .ret_type = 1, .nargs = 1, 329 .args = { { Name | IN, 0 } } }, 330 { .name = "kldfirstmod", .ret_type = 1, .nargs = 1, 331 .args = { { Int, 0 } } }, 332 { .name = "kldload", .ret_type = 1, .nargs = 1, 333 .args = { { Name | IN, 0 } } }, 334 { .name = "kldnext", .ret_type = 1, .nargs = 1, 335 .args = { { Int, 0 } } }, 336 { .name = "kldstat", .ret_type = 1, .nargs = 2, 337 .args = { { Int, 0 }, { Ptr, 1 } } }, 338 { .name = "kldsym", .ret_type = 1, .nargs = 3, 339 .args = { { Int, 0 }, { Kldsymcmd, 1 }, { Ptr, 2 } } }, 340 { .name = "kldunload", .ret_type = 1, .nargs = 1, 341 .args = { { Int, 0 } } }, 342 { .name = "kldunloadf", .ret_type = 1, .nargs = 2, 343 .args = { { Int, 0 }, { Kldunloadflags, 1 } } }, 344 { .name = "kse_release", .ret_type = 0, .nargs = 1, 345 .args = { { Timespec, 0 } } }, 346 { .name = "lchflags", .ret_type = 1, .nargs = 2, 347 .args = { { Name | IN, 0 }, { FileFlags, 1 } } }, 348 { .name = "lchmod", .ret_type = 1, .nargs = 2, 349 .args = { { Name, 0 }, { Octal, 1 } } }, 350 { .name = "lchown", .ret_type = 1, .nargs = 3, 351 .args = { { Name, 0 }, { Int, 1 }, { Int, 2 } } }, 352 { .name = "link", .ret_type = 1, .nargs = 2, 353 .args = { { Name, 0 }, { Name, 1 } } }, 354 { .name = "linkat", .ret_type = 1, .nargs = 5, 355 .args = { { Atfd, 0 }, { Name, 1 }, { Atfd, 2 }, { Name, 3 }, 356 { Atflags, 4 } } }, 357 { .name = "lio_listio", .ret_type = 1, .nargs = 4, 358 .args = { { LioMode, 0 }, { AiocbArray, 1 }, { Int, 2 }, 359 { Sigevent, 3 } } }, 360 { .name = "listen", .ret_type = 1, .nargs = 2, 361 .args = { { Int, 0 }, { Int, 1 } } }, 362 { .name = "lseek", .ret_type = 2, .nargs = 3, 363 .args = { { Int, 0 }, { QuadHex, 1 }, { Whence, 2 } } }, 364 { .name = "lstat", .ret_type = 1, .nargs = 2, 365 .args = { { Name | IN, 0 }, { Stat | OUT, 1 } } }, 366 { .name = "lutimes", .ret_type = 1, .nargs = 2, 367 .args = { { Name | IN, 0 }, { Timeval2 | IN, 1 } } }, 368 { .name = "madvise", .ret_type = 1, .nargs = 3, 369 .args = { { Ptr, 0 }, { Sizet, 1 }, { Madvice, 2 } } }, 370 { .name = "minherit", .ret_type = 1, .nargs = 3, 371 .args = { { Ptr, 0 }, { Sizet, 1 }, { Minherit, 2 } } }, 372 { .name = "mkdir", .ret_type = 1, .nargs = 2, 373 .args = { { Name, 0 }, { Octal, 1 } } }, 374 { .name = "mkdirat", .ret_type = 1, .nargs = 3, 375 .args = { { Atfd, 0 }, { Name, 1 }, { Octal, 2 } } }, 376 { .name = "mkfifo", .ret_type = 1, .nargs = 2, 377 .args = { { Name, 0 }, { Octal, 1 } } }, 378 { .name = "mkfifoat", .ret_type = 1, .nargs = 3, 379 .args = { { Atfd, 0 }, { Name, 1 }, { Octal, 2 } } }, 380 { .name = "mknod", .ret_type = 1, .nargs = 3, 381 .args = { { Name, 0 }, { Octal, 1 }, { Quad, 2 } } }, 382 { .name = "mknodat", .ret_type = 1, .nargs = 4, 383 .args = { { Atfd, 0 }, { Name, 1 }, { Octal, 2 }, { Quad, 3 } } }, 384 { .name = "mlock", .ret_type = 1, .nargs = 2, 385 .args = { { Ptr, 0 }, { Sizet, 1 } } }, 386 { .name = "mlockall", .ret_type = 1, .nargs = 1, 387 .args = { { Mlockall, 0 } } }, 388 { .name = "mmap", .ret_type = 1, .nargs = 6, 389 .args = { { Ptr, 0 }, { Sizet, 1 }, { Mprot, 2 }, { Mmapflags, 3 }, 390 { Int, 4 }, { QuadHex, 5 } } }, 391 { .name = "modfind", .ret_type = 1, .nargs = 1, 392 .args = { { Name | IN, 0 } } }, 393 { .name = "mount", .ret_type = 1, .nargs = 4, 394 .args = { { Name, 0 }, { Name, 1 }, { Mountflags, 2 }, { Ptr, 3 } } }, 395 { .name = "mprotect", .ret_type = 1, .nargs = 3, 396 .args = { { Ptr, 0 }, { Sizet, 1 }, { Mprot, 2 } } }, 397 { .name = "msync", .ret_type = 1, .nargs = 3, 398 .args = { { Ptr, 0 }, { Sizet, 1 }, { Msync, 2 } } }, 399 { .name = "munlock", .ret_type = 1, .nargs = 2, 400 .args = { { Ptr, 0 }, { Sizet, 1 } } }, 401 { .name = "munmap", .ret_type = 1, .nargs = 2, 402 .args = { { Ptr, 0 }, { Sizet, 1 } } }, 403 { .name = "nanosleep", .ret_type = 1, .nargs = 1, 404 .args = { { Timespec, 0 } } }, 405 { .name = "nmount", .ret_type = 1, .nargs = 3, 406 .args = { { Ptr, 0 }, { UInt, 1 }, { Mountflags, 2 } } }, 407 { .name = "open", .ret_type = 1, .nargs = 3, 408 .args = { { Name | IN, 0 }, { Open, 1 }, { Octal, 2 } } }, 409 { .name = "openat", .ret_type = 1, .nargs = 4, 410 .args = { { Atfd, 0 }, { Name | IN, 1 }, { Open, 2 }, 411 { Octal, 3 } } }, 412 { .name = "pathconf", .ret_type = 1, .nargs = 2, 413 .args = { { Name | IN, 0 }, { Pathconf, 1 } } }, 414 { .name = "pipe", .ret_type = 1, .nargs = 1, 415 .args = { { PipeFds | OUT, 0 } } }, 416 { .name = "pipe2", .ret_type = 1, .nargs = 2, 417 .args = { { Ptr, 0 }, { Pipe2, 1 } } }, 418 { .name = "poll", .ret_type = 1, .nargs = 3, 419 .args = { { Pollfd, 0 }, { Int, 1 }, { Int, 2 } } }, 420 { .name = "posix_fadvise", .ret_type = 1, .nargs = 4, 421 .args = { { Int, 0 }, { QuadHex, 1 }, { QuadHex, 2 }, 422 { Fadvice, 3 } } }, 423 { .name = "posix_openpt", .ret_type = 1, .nargs = 1, 424 .args = { { Open, 0 } } }, 425 { .name = "pread", .ret_type = 1, .nargs = 4, 426 .args = { { Int, 0 }, { BinString | OUT, 1 }, { Sizet, 2 }, 427 { QuadHex, 3 } } }, 428 { .name = "procctl", .ret_type = 1, .nargs = 4, 429 .args = { { Idtype, 0 }, { Quad, 1 }, { Procctl, 2 }, { Ptr, 3 } } }, 430 { .name = "ptrace", .ret_type = 1, .nargs = 4, 431 .args = { { Ptraceop, 0 }, { Int, 1 }, { Ptr, 2 }, { Int, 3 } } }, 432 { .name = "pwrite", .ret_type = 1, .nargs = 4, 433 .args = { { Int, 0 }, { BinString | IN, 1 }, { Sizet, 2 }, 434 { QuadHex, 3 } } }, 435 { .name = "quotactl", .ret_type = 1, .nargs = 4, 436 .args = { { Name, 0 }, { Quotactlcmd, 1 }, { Int, 2 }, { Ptr, 3 } } }, 437 { .name = "read", .ret_type = 1, .nargs = 3, 438 .args = { { Int, 0 }, { BinString | OUT, 1 }, { Sizet, 2 } } }, 439 { .name = "readlink", .ret_type = 1, .nargs = 3, 440 .args = { { Name, 0 }, { Readlinkres | OUT, 1 }, { Sizet, 2 } } }, 441 { .name = "readlinkat", .ret_type = 1, .nargs = 4, 442 .args = { { Atfd, 0 }, { Name, 1 }, { Readlinkres | OUT, 2 }, 443 { Sizet, 3 } } }, 444 { .name = "readv", .ret_type = 1, .nargs = 3, 445 .args = { { Int, 0 }, { Iovec | OUT, 1 }, { Int, 2 } } }, 446 { .name = "reboot", .ret_type = 1, .nargs = 1, 447 .args = { { Reboothowto, 0 } } }, 448 { .name = "recvfrom", .ret_type = 1, .nargs = 6, 449 .args = { { Int, 0 }, { BinString | OUT, 1 }, { Sizet, 2 }, 450 { Msgflags, 3 }, { Sockaddr | OUT, 4 }, 451 { Ptr | OUT, 5 } } }, 452 { .name = "recvmsg", .ret_type = 1, .nargs = 3, 453 .args = { { Int, 0 }, { Msghdr | OUT, 1 }, { Msgflags, 2 } } }, 454 { .name = "rename", .ret_type = 1, .nargs = 2, 455 .args = { { Name, 0 }, { Name, 1 } } }, 456 { .name = "renameat", .ret_type = 1, .nargs = 4, 457 .args = { { Atfd, 0 }, { Name, 1 }, { Atfd, 2 }, { Name, 3 } } }, 458 { .name = "rfork", .ret_type = 1, .nargs = 1, 459 .args = { { Rforkflags, 0 } } }, 460 { .name = "rmdir", .ret_type = 1, .nargs = 1, 461 .args = { { Name, 0 } } }, 462 { .name = "rtprio", .ret_type = 1, .nargs = 3, 463 .args = { { Rtpriofunc, 0 }, { Int, 1 }, { Ptr, 2 } } }, 464 { .name = "rtprio_thread", .ret_type = 1, .nargs = 3, 465 .args = { { Rtpriofunc, 0 }, { Int, 1 }, { Ptr, 2 } } }, 466 { .name = "sched_get_priority_max", .ret_type = 1, .nargs = 1, 467 .args = { { Schedpolicy, 0 } } }, 468 { .name = "sched_get_priority_min", .ret_type = 1, .nargs = 1, 469 .args = { { Schedpolicy, 0 } } }, 470 { .name = "sched_getparam", .ret_type = 1, .nargs = 2, 471 .args = { { Int, 0 }, { Schedparam | OUT, 1 } } }, 472 { .name = "sched_getscheduler", .ret_type = 1, .nargs = 1, 473 .args = { { Int, 0 } } }, 474 { .name = "sched_rr_get_interval", .ret_type = 1, .nargs = 2, 475 .args = { { Int, 0 }, { Timespec | OUT, 1 } } }, 476 { .name = "sched_setparam", .ret_type = 1, .nargs = 2, 477 .args = { { Int, 0 }, { Schedparam, 1 } } }, 478 { .name = "sched_setscheduler", .ret_type = 1, .nargs = 3, 479 .args = { { Int, 0 }, { Schedpolicy, 1 }, { Schedparam, 2 } } }, 480 { .name = "sctp_generic_recvmsg", .ret_type = 1, .nargs = 7, 481 .args = { { Int, 0 }, { Iovec | OUT, 1 }, { Int, 2 }, 482 { Sockaddr | OUT, 3 }, { Ptr | OUT, 4 }, 483 { Sctpsndrcvinfo | OUT, 5 }, { Ptr | OUT, 6 } } }, 484 { .name = "sctp_generic_sendmsg", .ret_type = 1, .nargs = 7, 485 .args = { { Int, 0 }, { BinString | IN, 1 }, { Int, 2 }, 486 { Sockaddr | IN, 3 }, { Socklent, 4 }, 487 { Sctpsndrcvinfo | IN, 5 }, { Msgflags, 6 } } }, 488 { .name = "sctp_generic_sendmsg_iov", .ret_type = 1, .nargs = 7, 489 .args = { { Int, 0 }, { Iovec | IN, 1 }, { Int, 2 }, 490 { Sockaddr | IN, 3 }, { Socklent, 4 }, 491 { Sctpsndrcvinfo | IN, 5 }, { Msgflags, 6 } } }, 492 { .name = "sendfile", .ret_type = 1, .nargs = 7, 493 .args = { { Int, 0 }, { Int, 1 }, { QuadHex, 2 }, { Sizet, 3 }, 494 { Sendfilehdtr, 4 }, { QuadHex | OUT, 5 }, 495 { Sendfileflags, 6 } } }, 496 { .name = "select", .ret_type = 1, .nargs = 5, 497 .args = { { Int, 0 }, { Fd_set, 1 }, { Fd_set, 2 }, { Fd_set, 3 }, 498 { Timeval, 4 } } }, 499 { .name = "sendmsg", .ret_type = 1, .nargs = 3, 500 .args = { { Int, 0 }, { Msghdr | IN, 1 }, { Msgflags, 2 } } }, 501 { .name = "sendto", .ret_type = 1, .nargs = 6, 502 .args = { { Int, 0 }, { BinString | IN, 1 }, { Sizet, 2 }, 503 { Msgflags, 3 }, { Sockaddr | IN, 4 }, 504 { Socklent | IN, 5 } } }, 505 { .name = "setitimer", .ret_type = 1, .nargs = 3, 506 .args = { { Int, 0 }, { Itimerval, 1 }, { Itimerval | OUT, 2 } } }, 507 { .name = "setpriority", .ret_type = 1, .nargs = 3, 508 .args = { { Priowhich, 0 }, { Int, 1 }, { Int, 2 } } }, 509 { .name = "setrlimit", .ret_type = 1, .nargs = 2, 510 .args = { { Resource, 0 }, { Rlimit | IN, 1 } } }, 511 { .name = "setsockopt", .ret_type = 1, .nargs = 5, 512 .args = { { Int, 0 }, { Sockoptlevel, 1 }, { Sockoptname, 2 }, 513 { Ptr | IN, 3 }, { Socklent, 4 } } }, 514 { .name = "shm_open", .ret_type = 1, .nargs = 3, 515 .args = { { ShmName | IN, 0 }, { Open, 1 }, { Octal, 2 } } }, 516 { .name = "shm_open2", .ret_type = 1, .nargs = 5, 517 .args = { { ShmName | IN, 0 }, { Open, 1 }, { Octal, 2 }, 518 { ShmFlags, 3 }, { Name | IN, 4 } } }, 519 { .name = "shm_rename", .ret_type = 1, .nargs = 3, 520 .args = { { Name | IN, 0 }, { Name | IN, 1 }, { Hex, 2 } } }, 521 { .name = "shm_unlink", .ret_type = 1, .nargs = 1, 522 .args = { { Name | IN, 0 } } }, 523 { .name = "shutdown", .ret_type = 1, .nargs = 2, 524 .args = { { Int, 0 }, { Shutdown, 1 } } }, 525 { .name = "sigaction", .ret_type = 1, .nargs = 3, 526 .args = { { Signal, 0 }, { Sigaction | IN, 1 }, 527 { Sigaction | OUT, 2 } } }, 528 { .name = "sigpending", .ret_type = 1, .nargs = 1, 529 .args = { { Sigset | OUT, 0 } } }, 530 { .name = "sigprocmask", .ret_type = 1, .nargs = 3, 531 .args = { { Sigprocmask, 0 }, { Sigset, 1 }, { Sigset | OUT, 2 } } }, 532 { .name = "sigqueue", .ret_type = 1, .nargs = 3, 533 .args = { { Int, 0 }, { Signal, 1 }, { LongHex, 2 } } }, 534 { .name = "sigreturn", .ret_type = 1, .nargs = 1, 535 .args = { { Ptr, 0 } } }, 536 { .name = "sigsuspend", .ret_type = 1, .nargs = 1, 537 .args = { { Sigset | IN, 0 } } }, 538 { .name = "sigtimedwait", .ret_type = 1, .nargs = 3, 539 .args = { { Sigset | IN, 0 }, { Siginfo | OUT, 1 }, 540 { Timespec | IN, 2 } } }, 541 { .name = "sigwait", .ret_type = 1, .nargs = 2, 542 .args = { { Sigset | IN, 0 }, { PSig | OUT, 1 } } }, 543 { .name = "sigwaitinfo", .ret_type = 1, .nargs = 2, 544 .args = { { Sigset | IN, 0 }, { Siginfo | OUT, 1 } } }, 545 { .name = "socket", .ret_type = 1, .nargs = 3, 546 .args = { { Sockdomain, 0 }, { Socktype, 1 }, { Sockprotocol, 2 } } }, 547 { .name = "stat", .ret_type = 1, .nargs = 2, 548 .args = { { Name | IN, 0 }, { Stat | OUT, 1 } } }, 549 { .name = "statfs", .ret_type = 1, .nargs = 2, 550 .args = { { Name | IN, 0 }, { StatFs | OUT, 1 } } }, 551 { .name = "symlink", .ret_type = 1, .nargs = 2, 552 .args = { { Name, 0 }, { Name, 1 } } }, 553 { .name = "symlinkat", .ret_type = 1, .nargs = 3, 554 .args = { { Name, 0 }, { Atfd, 1 }, { Name, 2 } } }, 555 { .name = "sysarch", .ret_type = 1, .nargs = 2, 556 .args = { { Sysarch, 0 }, { Ptr, 1 } } }, 557 { .name = "__sysctl", .ret_type = 1, .nargs = 6, 558 .args = { { Sysctl, 0 }, { Sizet, 1 }, { Ptr, 2 }, { Ptr, 3 }, 559 { Ptr, 4 }, { Sizet, 5 } } }, 560 { .name = "__sysctlbyname", .ret_type = 1, .nargs = 6, 561 .args = { { Name, 0 }, { Sizet, 1 }, { Ptr, 2 }, { Ptr, 3 }, 562 { Ptr, 4}, { Sizet, 5 } } }, 563 { .name = "thr_kill", .ret_type = 1, .nargs = 2, 564 .args = { { Long, 0 }, { Signal, 1 } } }, 565 { .name = "thr_self", .ret_type = 1, .nargs = 1, 566 .args = { { Ptr, 0 } } }, 567 { .name = "thr_set_name", .ret_type = 1, .nargs = 2, 568 .args = { { Long, 0 }, { Name, 1 } } }, 569 { .name = "truncate", .ret_type = 1, .nargs = 2, 570 .args = { { Name | IN, 0 }, { QuadHex | IN, 1 } } }, 571 #if 0 572 /* Does not exist */ 573 { .name = "umount", .ret_type = 1, .nargs = 2, 574 .args = { { Name, 0 }, { Int, 2 } } }, 575 #endif 576 { .name = "unlink", .ret_type = 1, .nargs = 1, 577 .args = { { Name, 0 } } }, 578 { .name = "unlinkat", .ret_type = 1, .nargs = 3, 579 .args = { { Atfd, 0 }, { Name, 1 }, { Atflags, 2 } } }, 580 { .name = "unmount", .ret_type = 1, .nargs = 2, 581 .args = { { Name, 0 }, { Mountflags, 1 } } }, 582 { .name = "utimensat", .ret_type = 1, .nargs = 4, 583 .args = { { Atfd, 0 }, { Name | IN, 1 }, { Timespec2 | IN, 2 }, 584 { Atflags, 3 } } }, 585 { .name = "utimes", .ret_type = 1, .nargs = 2, 586 .args = { { Name | IN, 0 }, { Timeval2 | IN, 1 } } }, 587 { .name = "utrace", .ret_type = 1, .nargs = 1, 588 .args = { { Utrace, 0 } } }, 589 { .name = "wait4", .ret_type = 1, .nargs = 4, 590 .args = { { Int, 0 }, { ExitStatus | OUT, 1 }, { Waitoptions, 2 }, 591 { Rusage | OUT, 3 } } }, 592 { .name = "wait6", .ret_type = 1, .nargs = 6, 593 .args = { { Idtype, 0 }, { Quad, 1 }, { ExitStatus | OUT, 2 }, 594 { Waitoptions, 3 }, { Rusage | OUT, 4 }, 595 { Siginfo | OUT, 5 } } }, 596 { .name = "write", .ret_type = 1, .nargs = 3, 597 .args = { { Int, 0 }, { BinString | IN, 1 }, { Sizet, 2 } } }, 598 { .name = "writev", .ret_type = 1, .nargs = 3, 599 .args = { { Int, 0 }, { Iovec | IN, 1 }, { Int, 2 } } }, 600 601 /* Linux ABI */ 602 { .name = "linux_access", .ret_type = 1, .nargs = 2, 603 .args = { { Name, 0 }, { Accessmode, 1 } } }, 604 { .name = "linux_execve", .ret_type = 1, .nargs = 3, 605 .args = { { Name | IN, 0 }, { ExecArgs | IN, 1 }, 606 { ExecEnv | IN, 2 } } }, 607 { .name = "linux_lseek", .ret_type = 2, .nargs = 3, 608 .args = { { Int, 0 }, { Int, 1 }, { Whence, 2 } } }, 609 { .name = "linux_mkdir", .ret_type = 1, .nargs = 2, 610 .args = { { Name | IN, 0 }, { Int, 1 } } }, 611 { .name = "linux_newfstat", .ret_type = 1, .nargs = 2, 612 .args = { { Int, 0 }, { Ptr | OUT, 1 } } }, 613 { .name = "linux_newstat", .ret_type = 1, .nargs = 2, 614 .args = { { Name | IN, 0 }, { Ptr | OUT, 1 } } }, 615 { .name = "linux_open", .ret_type = 1, .nargs = 3, 616 .args = { { Name, 0 }, { Hex, 1 }, { Octal, 2 } } }, 617 { .name = "linux_readlink", .ret_type = 1, .nargs = 3, 618 .args = { { Name, 0 }, { Name | OUT, 1 }, { Sizet, 2 } } }, 619 { .name = "linux_socketcall", .ret_type = 1, .nargs = 2, 620 .args = { { Int, 0 }, { LinuxSockArgs, 1 } } }, 621 { .name = "linux_stat64", .ret_type = 1, .nargs = 2, 622 .args = { { Name | IN, 0 }, { Ptr | OUT, 1 } } }, 623 }; 624 static STAILQ_HEAD(, syscall) seen_syscalls; 625 626 /* Xlat idea taken from strace */ 627 struct xlat { 628 int val; 629 const char *str; 630 }; 631 632 #define X(a) { a, #a }, 633 #define XEND { 0, NULL } 634 635 static struct xlat poll_flags[] = { 636 X(POLLSTANDARD) X(POLLIN) X(POLLPRI) X(POLLOUT) X(POLLERR) 637 X(POLLHUP) X(POLLNVAL) X(POLLRDNORM) X(POLLRDBAND) 638 X(POLLWRBAND) X(POLLINIGNEOF) X(POLLRDHUP) XEND 639 }; 640 641 static struct xlat sigaction_flags[] = { 642 X(SA_ONSTACK) X(SA_RESTART) X(SA_RESETHAND) X(SA_NOCLDSTOP) 643 X(SA_NODEFER) X(SA_NOCLDWAIT) X(SA_SIGINFO) XEND 644 }; 645 646 static struct xlat linux_socketcall_ops[] = { 647 X(LINUX_SOCKET) X(LINUX_BIND) X(LINUX_CONNECT) X(LINUX_LISTEN) 648 X(LINUX_ACCEPT) X(LINUX_GETSOCKNAME) X(LINUX_GETPEERNAME) 649 X(LINUX_SOCKETPAIR) X(LINUX_SEND) X(LINUX_RECV) X(LINUX_SENDTO) 650 X(LINUX_RECVFROM) X(LINUX_SHUTDOWN) X(LINUX_SETSOCKOPT) 651 X(LINUX_GETSOCKOPT) X(LINUX_SENDMSG) X(LINUX_RECVMSG) 652 XEND 653 }; 654 655 static struct xlat lio_modes[] = { 656 X(LIO_WAIT) X(LIO_NOWAIT) 657 XEND 658 }; 659 660 static struct xlat lio_opcodes[] = { 661 X(LIO_WRITE) X(LIO_READ) X(LIO_READV) X(LIO_WRITEV) X(LIO_NOP) 662 XEND 663 }; 664 665 static struct xlat aio_fsync_ops[] = { 666 X(O_SYNC) 667 XEND 668 }; 669 670 #undef X 671 #undef XEND 672 673 /* 674 * Searches an xlat array for a value, and returns it if found. Otherwise 675 * return a string representation. 676 */ 677 static const char * 678 lookup(struct xlat *xlat, int val, int base) 679 { 680 static char tmp[16]; 681 682 for (; xlat->str != NULL; xlat++) 683 if (xlat->val == val) 684 return (xlat->str); 685 switch (base) { 686 case 8: 687 sprintf(tmp, "0%o", val); 688 break; 689 case 16: 690 sprintf(tmp, "0x%x", val); 691 break; 692 case 10: 693 sprintf(tmp, "%u", val); 694 break; 695 default: 696 errx(1, "Unknown lookup base"); 697 } 698 return (tmp); 699 } 700 701 static const char * 702 xlookup(struct xlat *xlat, int val) 703 { 704 705 return (lookup(xlat, val, 16)); 706 } 707 708 /* 709 * Searches an xlat array containing bitfield values. Remaining bits 710 * set after removing the known ones are printed at the end: 711 * IN|0x400. 712 */ 713 static char * 714 xlookup_bits(struct xlat *xlat, int val) 715 { 716 int len, rem; 717 static char str[512]; 718 719 len = 0; 720 rem = val; 721 for (; xlat->str != NULL; xlat++) { 722 if ((xlat->val & rem) == xlat->val) { 723 /* 724 * Don't print the "all-bits-zero" string unless all 725 * bits are really zero. 726 */ 727 if (xlat->val == 0 && val != 0) 728 continue; 729 len += sprintf(str + len, "%s|", xlat->str); 730 rem &= ~(xlat->val); 731 } 732 } 733 734 /* 735 * If we have leftover bits or didn't match anything, print 736 * the remainder. 737 */ 738 if (rem || len == 0) 739 len += sprintf(str + len, "0x%x", rem); 740 if (len && str[len - 1] == '|') 741 len--; 742 str[len] = 0; 743 return (str); 744 } 745 746 static void 747 print_integer_arg(const char *(*decoder)(int), FILE *fp, int value) 748 { 749 const char *str; 750 751 str = decoder(value); 752 if (str != NULL) 753 fputs(str, fp); 754 else 755 fprintf(fp, "%d", value); 756 } 757 758 static bool 759 print_mask_arg_part(bool (*decoder)(FILE *, int, int *), FILE *fp, int value, 760 int *rem) 761 { 762 763 return (decoder(fp, value, rem)); 764 } 765 766 static void 767 print_mask_arg(bool (*decoder)(FILE *, int, int *), FILE *fp, int value) 768 { 769 int rem; 770 771 if (!print_mask_arg_part(decoder, fp, value, &rem)) 772 fprintf(fp, "0x%x", rem); 773 else if (rem != 0) 774 fprintf(fp, "|0x%x", rem); 775 } 776 777 static void 778 print_mask_arg32(bool (*decoder)(FILE *, uint32_t, uint32_t *), FILE *fp, 779 uint32_t value) 780 { 781 uint32_t rem; 782 783 if (!decoder(fp, value, &rem)) 784 fprintf(fp, "0x%x", rem); 785 else if (rem != 0) 786 fprintf(fp, "|0x%x", rem); 787 } 788 789 /* 790 * Add argument padding to subsequent system calls after Quad 791 * syscall arguments as needed. This used to be done by hand in the 792 * decoded_syscalls table which was ugly and error prone. It is 793 * simpler to do the fixup of offsets at initialization time than when 794 * decoding arguments. 795 */ 796 static void 797 quad_fixup(struct syscall_decode *sc) 798 { 799 int offset, prev; 800 u_int i; 801 802 offset = 0; 803 prev = -1; 804 for (i = 0; i < sc->nargs; i++) { 805 /* This arg type is a dummy that doesn't use offset. */ 806 if ((sc->args[i].type & ARG_MASK) == PipeFds) 807 continue; 808 809 assert(prev < sc->args[i].offset); 810 prev = sc->args[i].offset; 811 sc->args[i].offset += offset; 812 switch (sc->args[i].type & ARG_MASK) { 813 case Quad: 814 case QuadHex: 815 #if defined(__powerpc__) || defined(__arm__) || defined(__aarch64__) 816 /* 817 * 64-bit arguments on 32-bit powerpc and arm must be 818 * 64-bit aligned. If the current offset is 819 * not aligned, the calling convention inserts 820 * a 32-bit pad argument that should be skipped. 821 */ 822 if (sc->args[i].offset % 2 == 1) { 823 sc->args[i].offset++; 824 offset++; 825 } 826 #endif 827 offset++; 828 default: 829 break; 830 } 831 } 832 } 833 834 static struct syscall * 835 find_syscall(struct procabi *abi, u_int number) 836 { 837 struct extra_syscall *es; 838 839 if (number < nitems(abi->syscalls)) 840 return (abi->syscalls[number]); 841 STAILQ_FOREACH(es, &abi->extra_syscalls, entries) { 842 if (es->number == number) 843 return (es->sc); 844 } 845 return (NULL); 846 } 847 848 static void 849 add_syscall(struct procabi *abi, u_int number, struct syscall *sc) 850 { 851 struct extra_syscall *es; 852 853 /* 854 * quad_fixup() is currently needed for all 32-bit ABIs. 855 * TODO: This should probably be a function pointer inside struct 856 * procabi instead. 857 */ 858 if (abi->pointer_size == 4) 859 quad_fixup(&sc->decode); 860 861 if (number < nitems(abi->syscalls)) { 862 assert(abi->syscalls[number] == NULL); 863 abi->syscalls[number] = sc; 864 } else { 865 es = malloc(sizeof(*es)); 866 es->sc = sc; 867 es->number = number; 868 STAILQ_INSERT_TAIL(&abi->extra_syscalls, es, entries); 869 } 870 871 STAILQ_INSERT_HEAD(&seen_syscalls, sc, entries); 872 } 873 874 /* 875 * If/when the list gets big, it might be desirable to do it 876 * as a hash table or binary search. 877 */ 878 struct syscall * 879 get_syscall(struct threadinfo *t, u_int number, u_int nargs) 880 { 881 struct syscall *sc; 882 struct procabi *procabi; 883 const char *sysdecode_name; 884 const char *lookup_name; 885 const char *name; 886 u_int i; 887 888 procabi = t->proc->abi; 889 sc = find_syscall(procabi, number); 890 if (sc != NULL) 891 return (sc); 892 893 /* Memory is not explicitly deallocated, it's released on exit(). */ 894 sysdecode_name = sysdecode_syscallname(procabi->abi, number); 895 if (sysdecode_name == NULL) 896 asprintf(__DECONST(char **, &name), "#%d", number); 897 else 898 name = sysdecode_name; 899 900 sc = calloc(1, sizeof(*sc)); 901 sc->name = name; 902 903 /* Also decode compat syscalls arguments by stripping the prefix. */ 904 lookup_name = name; 905 if (procabi->compat_prefix != NULL && strncmp(procabi->compat_prefix, 906 name, strlen(procabi->compat_prefix)) == 0) 907 lookup_name += strlen(procabi->compat_prefix); 908 909 for (i = 0; i < nitems(decoded_syscalls); i++) { 910 if (strcmp(lookup_name, decoded_syscalls[i].name) == 0) { 911 sc->decode = decoded_syscalls[i]; 912 add_syscall(t->proc->abi, number, sc); 913 return (sc); 914 } 915 } 916 917 /* It is unknown. Add it into the list. */ 918 #if DEBUG 919 fprintf(stderr, "unknown syscall %s -- setting args to %d\n", name, 920 nargs); 921 #endif 922 sc->unknown = sysdecode_name == NULL; 923 sc->decode.ret_type = 1; /* Assume 1 return value. */ 924 sc->decode.nargs = nargs; 925 for (i = 0; i < nargs; i++) { 926 sc->decode.args[i].offset = i; 927 /* Treat all unknown arguments as LongHex. */ 928 sc->decode.args[i].type = LongHex; 929 } 930 add_syscall(t->proc->abi, number, sc); 931 return (sc); 932 } 933 934 /* 935 * Copy a fixed amount of bytes from the process. 936 */ 937 static int 938 get_struct(pid_t pid, psaddr_t offset, void *buf, size_t len) 939 { 940 struct ptrace_io_desc iorequest; 941 942 iorequest.piod_op = PIOD_READ_D; 943 iorequest.piod_offs = (void *)(uintptr_t)offset; 944 iorequest.piod_addr = buf; 945 iorequest.piod_len = len; 946 if (ptrace(PT_IO, pid, (caddr_t)&iorequest, 0) < 0) 947 return (-1); 948 return (0); 949 } 950 951 #define MAXSIZE 4096 952 953 /* 954 * Copy a string from the process. Note that it is 955 * expected to be a C string, but if max is set, it will 956 * only get that much. 957 */ 958 static char * 959 get_string(pid_t pid, psaddr_t addr, int max) 960 { 961 struct ptrace_io_desc iorequest; 962 char *buf, *nbuf; 963 size_t offset, size, totalsize; 964 965 offset = 0; 966 if (max) 967 size = max + 1; 968 else { 969 /* Read up to the end of the current page. */ 970 size = PAGE_SIZE - (addr % PAGE_SIZE); 971 if (size > MAXSIZE) 972 size = MAXSIZE; 973 } 974 totalsize = size; 975 buf = malloc(totalsize); 976 if (buf == NULL) 977 return (NULL); 978 for (;;) { 979 iorequest.piod_op = PIOD_READ_D; 980 iorequest.piod_offs = (void *)((uintptr_t)addr + offset); 981 iorequest.piod_addr = buf + offset; 982 iorequest.piod_len = size; 983 if (ptrace(PT_IO, pid, (caddr_t)&iorequest, 0) < 0) { 984 free(buf); 985 return (NULL); 986 } 987 if (memchr(buf + offset, '\0', size) != NULL) 988 return (buf); 989 offset += size; 990 if (totalsize < MAXSIZE && max == 0) { 991 size = MAXSIZE - totalsize; 992 if (size > PAGE_SIZE) 993 size = PAGE_SIZE; 994 nbuf = realloc(buf, totalsize + size); 995 if (nbuf == NULL) { 996 buf[totalsize - 1] = '\0'; 997 return (buf); 998 } 999 buf = nbuf; 1000 totalsize += size; 1001 } else { 1002 buf[totalsize - 1] = '\0'; 1003 return (buf); 1004 } 1005 } 1006 } 1007 1008 static const char * 1009 strsig2(int sig) 1010 { 1011 static char tmp[32]; 1012 const char *signame; 1013 1014 signame = sysdecode_signal(sig); 1015 if (signame == NULL) { 1016 snprintf(tmp, sizeof(tmp), "%d", sig); 1017 signame = tmp; 1018 } 1019 return (signame); 1020 } 1021 1022 static void 1023 print_kevent(FILE *fp, struct kevent *ke) 1024 { 1025 1026 switch (ke->filter) { 1027 case EVFILT_READ: 1028 case EVFILT_WRITE: 1029 case EVFILT_VNODE: 1030 case EVFILT_PROC: 1031 case EVFILT_TIMER: 1032 case EVFILT_PROCDESC: 1033 case EVFILT_EMPTY: 1034 fprintf(fp, "%ju", (uintmax_t)ke->ident); 1035 break; 1036 case EVFILT_SIGNAL: 1037 fputs(strsig2(ke->ident), fp); 1038 break; 1039 default: 1040 fprintf(fp, "%p", (void *)ke->ident); 1041 } 1042 fprintf(fp, ","); 1043 print_integer_arg(sysdecode_kevent_filter, fp, ke->filter); 1044 fprintf(fp, ","); 1045 print_mask_arg(sysdecode_kevent_flags, fp, ke->flags); 1046 fprintf(fp, ","); 1047 sysdecode_kevent_fflags(fp, ke->filter, ke->fflags, 16); 1048 fprintf(fp, ",%#jx,%p", (uintmax_t)ke->data, ke->udata); 1049 } 1050 1051 static void 1052 print_utrace(FILE *fp, void *utrace_addr, size_t len) 1053 { 1054 unsigned char *utrace_buffer; 1055 1056 fprintf(fp, "{ "); 1057 if (sysdecode_utrace(fp, utrace_addr, len)) { 1058 fprintf(fp, " }"); 1059 return; 1060 } 1061 1062 utrace_buffer = utrace_addr; 1063 fprintf(fp, "%zu:", len); 1064 while (len--) 1065 fprintf(fp, " %02x", *utrace_buffer++); 1066 fprintf(fp, " }"); 1067 } 1068 1069 static void 1070 print_pointer(FILE *fp, uintptr_t arg) 1071 { 1072 1073 fprintf(fp, "%p", (void *)arg); 1074 } 1075 1076 static void 1077 print_sockaddr(FILE *fp, struct trussinfo *trussinfo, uintptr_t arg, 1078 socklen_t len) 1079 { 1080 char addr[64]; 1081 struct sockaddr_in *lsin; 1082 struct sockaddr_in6 *lsin6; 1083 struct sockaddr_un *sun; 1084 struct sockaddr *sa; 1085 u_char *q; 1086 pid_t pid = trussinfo->curthread->proc->pid; 1087 1088 if (arg == 0) { 1089 fputs("NULL", fp); 1090 return; 1091 } 1092 /* If the length is too small, just bail. */ 1093 if (len < sizeof(*sa)) { 1094 print_pointer(fp, arg); 1095 return; 1096 } 1097 1098 sa = calloc(1, len); 1099 if (get_struct(pid, arg, sa, len) == -1) { 1100 free(sa); 1101 print_pointer(fp, arg); 1102 return; 1103 } 1104 1105 switch (sa->sa_family) { 1106 case AF_INET: 1107 if (len < sizeof(*lsin)) 1108 goto sockaddr_short; 1109 lsin = (struct sockaddr_in *)(void *)sa; 1110 inet_ntop(AF_INET, &lsin->sin_addr, addr, sizeof(addr)); 1111 fprintf(fp, "{ AF_INET %s:%d }", addr, 1112 htons(lsin->sin_port)); 1113 break; 1114 case AF_INET6: 1115 if (len < sizeof(*lsin6)) 1116 goto sockaddr_short; 1117 lsin6 = (struct sockaddr_in6 *)(void *)sa; 1118 inet_ntop(AF_INET6, &lsin6->sin6_addr, addr, 1119 sizeof(addr)); 1120 fprintf(fp, "{ AF_INET6 [%s]:%d }", addr, 1121 htons(lsin6->sin6_port)); 1122 break; 1123 case AF_UNIX: 1124 sun = (struct sockaddr_un *)sa; 1125 fprintf(fp, "{ AF_UNIX \"%.*s\" }", 1126 (int)(len - offsetof(struct sockaddr_un, sun_path)), 1127 sun->sun_path); 1128 break; 1129 default: 1130 sockaddr_short: 1131 fprintf(fp, 1132 "{ sa_len = %d, sa_family = %d, sa_data = {", 1133 (int)sa->sa_len, (int)sa->sa_family); 1134 for (q = (u_char *)sa->sa_data; 1135 q < (u_char *)sa + len; q++) 1136 fprintf(fp, "%s 0x%02x", 1137 q == (u_char *)sa->sa_data ? "" : ",", 1138 *q); 1139 fputs(" } }", fp); 1140 } 1141 free(sa); 1142 } 1143 1144 #define IOV_LIMIT 16 1145 1146 static void 1147 print_iovec(FILE *fp, struct trussinfo *trussinfo, uintptr_t arg, int iovcnt) 1148 { 1149 struct iovec iov[IOV_LIMIT]; 1150 size_t max_string = trussinfo->strsize; 1151 char tmp2[max_string + 1], *tmp3; 1152 size_t len; 1153 pid_t pid = trussinfo->curthread->proc->pid; 1154 int i; 1155 bool buf_truncated, iov_truncated; 1156 1157 if (iovcnt <= 0) { 1158 print_pointer(fp, arg); 1159 return; 1160 } 1161 if (iovcnt > IOV_LIMIT) { 1162 iovcnt = IOV_LIMIT; 1163 iov_truncated = true; 1164 } else { 1165 iov_truncated = false; 1166 } 1167 if (get_struct(pid, arg, &iov, iovcnt * sizeof(struct iovec)) == -1) { 1168 print_pointer(fp, arg); 1169 return; 1170 } 1171 1172 fputs("[", fp); 1173 for (i = 0; i < iovcnt; i++) { 1174 len = iov[i].iov_len; 1175 if (len > max_string) { 1176 len = max_string; 1177 buf_truncated = true; 1178 } else { 1179 buf_truncated = false; 1180 } 1181 fprintf(fp, "%s{", (i > 0) ? "," : ""); 1182 if (len && get_struct(pid, (uintptr_t)iov[i].iov_base, &tmp2, len) != -1) { 1183 tmp3 = malloc(len * 4 + 1); 1184 while (len) { 1185 if (strvisx(tmp3, tmp2, len, 1186 VIS_CSTYLE|VIS_TAB|VIS_NL) <= 1187 (int)max_string) 1188 break; 1189 len--; 1190 buf_truncated = true; 1191 } 1192 fprintf(fp, "\"%s\"%s", tmp3, 1193 buf_truncated ? "..." : ""); 1194 free(tmp3); 1195 } else { 1196 print_pointer(fp, (uintptr_t)iov[i].iov_base); 1197 } 1198 fprintf(fp, ",%zu}", iov[i].iov_len); 1199 } 1200 fprintf(fp, "%s%s", iov_truncated ? ",..." : "", "]"); 1201 } 1202 1203 static void 1204 print_sigval(FILE *fp, union sigval *sv) 1205 { 1206 fprintf(fp, "{ %d, %p }", sv->sival_int, sv->sival_ptr); 1207 } 1208 1209 static void 1210 print_sigevent(FILE *fp, struct sigevent *se) 1211 { 1212 fputs("{ sigev_notify=", fp); 1213 switch (se->sigev_notify) { 1214 case SIGEV_NONE: 1215 fputs("SIGEV_NONE", fp); 1216 break; 1217 case SIGEV_SIGNAL: 1218 fprintf(fp, "SIGEV_SIGNAL, sigev_signo=%s, sigev_value=", 1219 strsig2(se->sigev_signo)); 1220 print_sigval(fp, &se->sigev_value); 1221 break; 1222 case SIGEV_THREAD: 1223 fputs("SIGEV_THREAD, sigev_value=", fp); 1224 print_sigval(fp, &se->sigev_value); 1225 break; 1226 case SIGEV_KEVENT: 1227 fprintf(fp, "SIGEV_KEVENT, sigev_notify_kqueue=%d, sigev_notify_kevent_flags=", 1228 se->sigev_notify_kqueue); 1229 print_mask_arg(sysdecode_kevent_flags, fp, se->sigev_notify_kevent_flags); 1230 break; 1231 case SIGEV_THREAD_ID: 1232 fprintf(fp, "SIGEV_THREAD_ID, sigev_notify_thread_id=%d, sigev_signo=%s, sigev_value=", 1233 se->sigev_notify_thread_id, strsig2(se->sigev_signo)); 1234 print_sigval(fp, &se->sigev_value); 1235 break; 1236 default: 1237 fprintf(fp, "%d", se->sigev_notify); 1238 break; 1239 } 1240 fputs(" }", fp); 1241 } 1242 1243 static void 1244 print_aiocb(FILE *fp, struct aiocb *cb) 1245 { 1246 fprintf(fp, "{ %d,%jd,%p,%zu,%s,", 1247 cb->aio_fildes, 1248 cb->aio_offset, 1249 cb->aio_buf, 1250 cb->aio_nbytes, 1251 xlookup(lio_opcodes, cb->aio_lio_opcode)); 1252 print_sigevent(fp, &cb->aio_sigevent); 1253 fputs(" }", fp); 1254 } 1255 1256 static void 1257 print_gen_cmsg(FILE *fp, struct cmsghdr *cmsghdr) 1258 { 1259 u_char *q; 1260 1261 fputs("{", fp); 1262 for (q = CMSG_DATA(cmsghdr); 1263 q < (u_char *)cmsghdr + cmsghdr->cmsg_len; q++) { 1264 fprintf(fp, "%s0x%02x", q == CMSG_DATA(cmsghdr) ? "" : ",", *q); 1265 } 1266 fputs("}", fp); 1267 } 1268 1269 static void 1270 print_sctp_initmsg(FILE *fp, struct sctp_initmsg *init) 1271 { 1272 fprintf(fp, "{out=%u,", init->sinit_num_ostreams); 1273 fprintf(fp, "in=%u,", init->sinit_max_instreams); 1274 fprintf(fp, "max_rtx=%u,", init->sinit_max_attempts); 1275 fprintf(fp, "max_rto=%u}", init->sinit_max_init_timeo); 1276 } 1277 1278 static void 1279 print_sctp_sndrcvinfo(FILE *fp, bool receive, struct sctp_sndrcvinfo *info) 1280 { 1281 fprintf(fp, "{sid=%u,", info->sinfo_stream); 1282 if (receive) { 1283 fprintf(fp, "ssn=%u,", info->sinfo_ssn); 1284 } 1285 fputs("flgs=", fp); 1286 sysdecode_sctp_sinfo_flags(fp, info->sinfo_flags); 1287 fprintf(fp, ",ppid=%u,", ntohl(info->sinfo_ppid)); 1288 if (!receive) { 1289 fprintf(fp, "ctx=%u,", info->sinfo_context); 1290 fprintf(fp, "ttl=%u,", info->sinfo_timetolive); 1291 } 1292 if (receive) { 1293 fprintf(fp, "tsn=%u,", info->sinfo_tsn); 1294 fprintf(fp, "cumtsn=%u,", info->sinfo_cumtsn); 1295 } 1296 fprintf(fp, "id=%u}", info->sinfo_assoc_id); 1297 } 1298 1299 static void 1300 print_sctp_sndinfo(FILE *fp, struct sctp_sndinfo *info) 1301 { 1302 fprintf(fp, "{sid=%u,", info->snd_sid); 1303 fputs("flgs=", fp); 1304 print_mask_arg(sysdecode_sctp_snd_flags, fp, info->snd_flags); 1305 fprintf(fp, ",ppid=%u,", ntohl(info->snd_ppid)); 1306 fprintf(fp, "ctx=%u,", info->snd_context); 1307 fprintf(fp, "id=%u}", info->snd_assoc_id); 1308 } 1309 1310 static void 1311 print_sctp_rcvinfo(FILE *fp, struct sctp_rcvinfo *info) 1312 { 1313 fprintf(fp, "{sid=%u,", info->rcv_sid); 1314 fprintf(fp, "ssn=%u,", info->rcv_ssn); 1315 fputs("flgs=", fp); 1316 print_mask_arg(sysdecode_sctp_rcv_flags, fp, info->rcv_flags); 1317 fprintf(fp, ",ppid=%u,", ntohl(info->rcv_ppid)); 1318 fprintf(fp, "tsn=%u,", info->rcv_tsn); 1319 fprintf(fp, "cumtsn=%u,", info->rcv_cumtsn); 1320 fprintf(fp, "ctx=%u,", info->rcv_context); 1321 fprintf(fp, "id=%u}", info->rcv_assoc_id); 1322 } 1323 1324 static void 1325 print_sctp_nxtinfo(FILE *fp, struct sctp_nxtinfo *info) 1326 { 1327 fprintf(fp, "{sid=%u,", info->nxt_sid); 1328 fputs("flgs=", fp); 1329 print_mask_arg(sysdecode_sctp_nxt_flags, fp, info->nxt_flags); 1330 fprintf(fp, ",ppid=%u,", ntohl(info->nxt_ppid)); 1331 fprintf(fp, "len=%u,", info->nxt_length); 1332 fprintf(fp, "id=%u}", info->nxt_assoc_id); 1333 } 1334 1335 static void 1336 print_sctp_prinfo(FILE *fp, struct sctp_prinfo *info) 1337 { 1338 fputs("{pol=", fp); 1339 print_integer_arg(sysdecode_sctp_pr_policy, fp, info->pr_policy); 1340 fprintf(fp, ",val=%u}", info->pr_value); 1341 } 1342 1343 static void 1344 print_sctp_authinfo(FILE *fp, struct sctp_authinfo *info) 1345 { 1346 fprintf(fp, "{num=%u}", info->auth_keynumber); 1347 } 1348 1349 static void 1350 print_sctp_ipv4_addr(FILE *fp, struct in_addr *addr) 1351 { 1352 char buf[INET_ADDRSTRLEN]; 1353 const char *s; 1354 1355 s = inet_ntop(AF_INET, addr, buf, INET_ADDRSTRLEN); 1356 if (s != NULL) 1357 fprintf(fp, "{addr=%s}", s); 1358 else 1359 fputs("{addr=???}", fp); 1360 } 1361 1362 static void 1363 print_sctp_ipv6_addr(FILE *fp, struct in6_addr *addr) 1364 { 1365 char buf[INET6_ADDRSTRLEN]; 1366 const char *s; 1367 1368 s = inet_ntop(AF_INET6, addr, buf, INET6_ADDRSTRLEN); 1369 if (s != NULL) 1370 fprintf(fp, "{addr=%s}", s); 1371 else 1372 fputs("{addr=???}", fp); 1373 } 1374 1375 static void 1376 print_sctp_cmsg(FILE *fp, bool receive, struct cmsghdr *cmsghdr) 1377 { 1378 void *data; 1379 socklen_t len; 1380 1381 len = cmsghdr->cmsg_len; 1382 data = CMSG_DATA(cmsghdr); 1383 switch (cmsghdr->cmsg_type) { 1384 case SCTP_INIT: 1385 if (len == CMSG_LEN(sizeof(struct sctp_initmsg))) 1386 print_sctp_initmsg(fp, (struct sctp_initmsg *)data); 1387 else 1388 print_gen_cmsg(fp, cmsghdr); 1389 break; 1390 case SCTP_SNDRCV: 1391 if (len == CMSG_LEN(sizeof(struct sctp_sndrcvinfo))) 1392 print_sctp_sndrcvinfo(fp, receive, 1393 (struct sctp_sndrcvinfo *)data); 1394 else 1395 print_gen_cmsg(fp, cmsghdr); 1396 break; 1397 #if 0 1398 case SCTP_EXTRCV: 1399 if (len == CMSG_LEN(sizeof(struct sctp_extrcvinfo))) 1400 print_sctp_extrcvinfo(fp, 1401 (struct sctp_extrcvinfo *)data); 1402 else 1403 print_gen_cmsg(fp, cmsghdr); 1404 break; 1405 #endif 1406 case SCTP_SNDINFO: 1407 if (len == CMSG_LEN(sizeof(struct sctp_sndinfo))) 1408 print_sctp_sndinfo(fp, (struct sctp_sndinfo *)data); 1409 else 1410 print_gen_cmsg(fp, cmsghdr); 1411 break; 1412 case SCTP_RCVINFO: 1413 if (len == CMSG_LEN(sizeof(struct sctp_rcvinfo))) 1414 print_sctp_rcvinfo(fp, (struct sctp_rcvinfo *)data); 1415 else 1416 print_gen_cmsg(fp, cmsghdr); 1417 break; 1418 case SCTP_NXTINFO: 1419 if (len == CMSG_LEN(sizeof(struct sctp_nxtinfo))) 1420 print_sctp_nxtinfo(fp, (struct sctp_nxtinfo *)data); 1421 else 1422 print_gen_cmsg(fp, cmsghdr); 1423 break; 1424 case SCTP_PRINFO: 1425 if (len == CMSG_LEN(sizeof(struct sctp_prinfo))) 1426 print_sctp_prinfo(fp, (struct sctp_prinfo *)data); 1427 else 1428 print_gen_cmsg(fp, cmsghdr); 1429 break; 1430 case SCTP_AUTHINFO: 1431 if (len == CMSG_LEN(sizeof(struct sctp_authinfo))) 1432 print_sctp_authinfo(fp, (struct sctp_authinfo *)data); 1433 else 1434 print_gen_cmsg(fp, cmsghdr); 1435 break; 1436 case SCTP_DSTADDRV4: 1437 if (len == CMSG_LEN(sizeof(struct in_addr))) 1438 print_sctp_ipv4_addr(fp, (struct in_addr *)data); 1439 else 1440 print_gen_cmsg(fp, cmsghdr); 1441 break; 1442 case SCTP_DSTADDRV6: 1443 if (len == CMSG_LEN(sizeof(struct in6_addr))) 1444 print_sctp_ipv6_addr(fp, (struct in6_addr *)data); 1445 else 1446 print_gen_cmsg(fp, cmsghdr); 1447 break; 1448 default: 1449 print_gen_cmsg(fp, cmsghdr); 1450 } 1451 } 1452 1453 static void 1454 print_cmsgs(FILE *fp, pid_t pid, bool receive, struct msghdr *msghdr) 1455 { 1456 struct cmsghdr *cmsghdr; 1457 char *cmsgbuf; 1458 const char *temp; 1459 socklen_t len; 1460 int level, type; 1461 bool first; 1462 1463 len = msghdr->msg_controllen; 1464 if (len == 0) { 1465 fputs("{}", fp); 1466 return; 1467 } 1468 cmsgbuf = calloc(1, len); 1469 if (get_struct(pid, (uintptr_t)msghdr->msg_control, cmsgbuf, len) == -1) { 1470 print_pointer(fp, (uintptr_t)msghdr->msg_control); 1471 free(cmsgbuf); 1472 return; 1473 } 1474 msghdr->msg_control = cmsgbuf; 1475 first = true; 1476 fputs("{", fp); 1477 for (cmsghdr = CMSG_FIRSTHDR(msghdr); 1478 cmsghdr != NULL; 1479 cmsghdr = CMSG_NXTHDR(msghdr, cmsghdr)) { 1480 level = cmsghdr->cmsg_level; 1481 type = cmsghdr->cmsg_type; 1482 len = cmsghdr->cmsg_len; 1483 fprintf(fp, "%s{level=", first ? "" : ","); 1484 print_integer_arg(sysdecode_sockopt_level, fp, level); 1485 fputs(",type=", fp); 1486 temp = sysdecode_cmsg_type(level, type); 1487 if (temp) { 1488 fputs(temp, fp); 1489 } else { 1490 fprintf(fp, "%d", type); 1491 } 1492 fputs(",data=", fp); 1493 switch (level) { 1494 case IPPROTO_SCTP: 1495 print_sctp_cmsg(fp, receive, cmsghdr); 1496 break; 1497 default: 1498 print_gen_cmsg(fp, cmsghdr); 1499 break; 1500 } 1501 fputs("}", fp); 1502 first = false; 1503 } 1504 fputs("}", fp); 1505 free(cmsgbuf); 1506 } 1507 1508 static void 1509 print_sysctl_oid(FILE *fp, int *oid, size_t len) 1510 { 1511 size_t i; 1512 bool first; 1513 1514 first = true; 1515 fprintf(fp, "{ "); 1516 for (i = 0; i < len; i++) { 1517 fprintf(fp, "%s%d", first ? "" : ".", oid[i]); 1518 first = false; 1519 } 1520 fprintf(fp, " }"); 1521 } 1522 1523 static void 1524 print_sysctl(FILE *fp, int *oid, size_t len) 1525 { 1526 char name[BUFSIZ]; 1527 int qoid[CTL_MAXNAME + 2]; 1528 size_t i; 1529 1530 qoid[0] = CTL_SYSCTL; 1531 qoid[1] = CTL_SYSCTL_NAME; 1532 memcpy(qoid + 2, oid, len * sizeof(int)); 1533 i = sizeof(name); 1534 if (sysctl(qoid, len + 2, name, &i, 0, 0) == -1) 1535 print_sysctl_oid(fp, oid, len); 1536 else 1537 fprintf(fp, "%s", name); 1538 } 1539 1540 /* 1541 * Convert a 32-bit user-space pointer to psaddr_t. Currently, this 1542 * sign-extends on MIPS and zero-extends on all other architectures. 1543 */ 1544 static psaddr_t 1545 user_ptr32_to_psaddr(int32_t user_pointer) 1546 { 1547 #if defined(__mips__) 1548 return ((psaddr_t)(intptr_t)user_pointer); 1549 #else 1550 return ((psaddr_t)(uintptr_t)user_pointer); 1551 #endif 1552 } 1553 1554 /* 1555 * Converts a syscall argument into a string. Said string is 1556 * allocated via malloc(), so needs to be free()'d. sc is 1557 * a pointer to the syscall description (see above); args is 1558 * an array of all of the system call arguments. 1559 */ 1560 char * 1561 print_arg(struct syscall_arg *sc, unsigned long *args, register_t *retval, 1562 struct trussinfo *trussinfo) 1563 { 1564 FILE *fp; 1565 char *tmp; 1566 size_t tmplen; 1567 pid_t pid; 1568 1569 fp = open_memstream(&tmp, &tmplen); 1570 pid = trussinfo->curthread->proc->pid; 1571 switch (sc->type & ARG_MASK) { 1572 case Hex: 1573 fprintf(fp, "0x%x", (int)args[sc->offset]); 1574 break; 1575 case Octal: 1576 fprintf(fp, "0%o", (int)args[sc->offset]); 1577 break; 1578 case Int: 1579 fprintf(fp, "%d", (int)args[sc->offset]); 1580 break; 1581 case UInt: 1582 fprintf(fp, "%u", (unsigned int)args[sc->offset]); 1583 break; 1584 case PUInt: { 1585 unsigned int val; 1586 1587 if (get_struct(pid, args[sc->offset], &val, 1588 sizeof(val)) == 0) 1589 fprintf(fp, "{ %u }", val); 1590 else 1591 print_pointer(fp, args[sc->offset]); 1592 break; 1593 } 1594 case LongHex: 1595 fprintf(fp, "0x%lx", args[sc->offset]); 1596 break; 1597 case Long: 1598 fprintf(fp, "%ld", args[sc->offset]); 1599 break; 1600 case Sizet: 1601 fprintf(fp, "%zu", (size_t)args[sc->offset]); 1602 break; 1603 case ShmName: 1604 /* Handle special SHM_ANON value. */ 1605 if ((char *)(uintptr_t)args[sc->offset] == SHM_ANON) { 1606 fprintf(fp, "SHM_ANON"); 1607 break; 1608 } 1609 /* FALLTHROUGH */ 1610 case Name: { 1611 /* NULL-terminated string. */ 1612 char *tmp2; 1613 1614 tmp2 = get_string(pid, args[sc->offset], 0); 1615 fprintf(fp, "\"%s\"", tmp2); 1616 free(tmp2); 1617 break; 1618 } 1619 case BinString: { 1620 /* 1621 * Binary block of data that might have printable characters. 1622 * XXX If type|OUT, assume that the length is the syscall's 1623 * return value. Otherwise, assume that the length of the block 1624 * is in the next syscall argument. 1625 */ 1626 int max_string = trussinfo->strsize; 1627 char tmp2[max_string + 1], *tmp3; 1628 int len; 1629 int truncated = 0; 1630 1631 if (sc->type & OUT) 1632 len = retval[0]; 1633 else 1634 len = args[sc->offset + 1]; 1635 1636 /* 1637 * Don't print more than max_string characters, to avoid word 1638 * wrap. If we have to truncate put some ... after the string. 1639 */ 1640 if (len > max_string) { 1641 len = max_string; 1642 truncated = 1; 1643 } 1644 if (len && get_struct(pid, args[sc->offset], &tmp2, len) 1645 != -1) { 1646 tmp3 = malloc(len * 4 + 1); 1647 while (len) { 1648 if (strvisx(tmp3, tmp2, len, 1649 VIS_CSTYLE|VIS_TAB|VIS_NL) <= max_string) 1650 break; 1651 len--; 1652 truncated = 1; 1653 } 1654 fprintf(fp, "\"%s\"%s", tmp3, truncated ? 1655 "..." : ""); 1656 free(tmp3); 1657 } else { 1658 print_pointer(fp, args[sc->offset]); 1659 } 1660 break; 1661 } 1662 case ExecArgs: 1663 case ExecEnv: 1664 case StringArray: { 1665 psaddr_t addr; 1666 union { 1667 int32_t strarray32[PAGE_SIZE / sizeof(int32_t)]; 1668 int64_t strarray64[PAGE_SIZE / sizeof(int64_t)]; 1669 char buf[PAGE_SIZE]; 1670 } u; 1671 char *string; 1672 size_t len; 1673 u_int first, i; 1674 size_t pointer_size = 1675 trussinfo->curthread->proc->abi->pointer_size; 1676 1677 /* 1678 * Only parse argv[] and environment arrays from exec calls 1679 * if requested. 1680 */ 1681 if (((sc->type & ARG_MASK) == ExecArgs && 1682 (trussinfo->flags & EXECVEARGS) == 0) || 1683 ((sc->type & ARG_MASK) == ExecEnv && 1684 (trussinfo->flags & EXECVEENVS) == 0)) { 1685 print_pointer(fp, args[sc->offset]); 1686 break; 1687 } 1688 1689 /* 1690 * Read a page of pointers at a time. Punt if the top-level 1691 * pointer is not aligned. Note that the first read is of 1692 * a partial page. 1693 */ 1694 addr = args[sc->offset]; 1695 if (!__is_aligned(addr, pointer_size)) { 1696 print_pointer(fp, args[sc->offset]); 1697 break; 1698 } 1699 1700 len = PAGE_SIZE - (addr & PAGE_MASK); 1701 if (get_struct(pid, addr, u.buf, len) == -1) { 1702 print_pointer(fp, args[sc->offset]); 1703 break; 1704 } 1705 assert(len > 0); 1706 1707 fputc('[', fp); 1708 first = 1; 1709 i = 0; 1710 for (;;) { 1711 psaddr_t straddr; 1712 if (pointer_size == 4) { 1713 straddr = user_ptr32_to_psaddr(u.strarray32[i]); 1714 } else if (pointer_size == 8) { 1715 straddr = (psaddr_t)u.strarray64[i]; 1716 } else { 1717 errx(1, "Unsupported pointer size: %zu", 1718 pointer_size); 1719 } 1720 1721 /* Stop once we read the first NULL pointer. */ 1722 if (straddr == 0) 1723 break; 1724 string = get_string(pid, straddr, 0); 1725 fprintf(fp, "%s \"%s\"", first ? "" : ",", string); 1726 free(string); 1727 first = 0; 1728 1729 i++; 1730 if (i == len / pointer_size) { 1731 addr += len; 1732 len = PAGE_SIZE; 1733 if (get_struct(pid, addr, u.buf, len) == -1) { 1734 fprintf(fp, ", <inval>"); 1735 break; 1736 } 1737 i = 0; 1738 } 1739 } 1740 fputs(" ]", fp); 1741 break; 1742 } 1743 case Quad: 1744 case QuadHex: { 1745 uint64_t value; 1746 size_t pointer_size = 1747 trussinfo->curthread->proc->abi->pointer_size; 1748 1749 if (pointer_size == 4) { 1750 #if _BYTE_ORDER == _LITTLE_ENDIAN 1751 value = (uint64_t)args[sc->offset + 1] << 32 | 1752 args[sc->offset]; 1753 #else 1754 value = (uint64_t)args[sc->offset] << 32 | 1755 args[sc->offset + 1]; 1756 #endif 1757 } else { 1758 value = (uint64_t)args[sc->offset]; 1759 } 1760 if ((sc->type & ARG_MASK) == Quad) 1761 fprintf(fp, "%jd", (intmax_t)value); 1762 else 1763 fprintf(fp, "0x%jx", (intmax_t)value); 1764 break; 1765 } 1766 case PQuadHex: { 1767 uint64_t val; 1768 1769 if (get_struct(pid, args[sc->offset], &val, 1770 sizeof(val)) == 0) 1771 fprintf(fp, "{ 0x%jx }", (uintmax_t)val); 1772 else 1773 print_pointer(fp, args[sc->offset]); 1774 break; 1775 } 1776 case Ptr: 1777 print_pointer(fp, args[sc->offset]); 1778 break; 1779 case Readlinkres: { 1780 char *tmp2; 1781 1782 if (retval[0] == -1) 1783 break; 1784 tmp2 = get_string(pid, args[sc->offset], retval[0]); 1785 fprintf(fp, "\"%s\"", tmp2); 1786 free(tmp2); 1787 break; 1788 } 1789 case Ioctl: { 1790 const char *temp; 1791 unsigned long cmd; 1792 1793 cmd = args[sc->offset]; 1794 temp = sysdecode_ioctlname(cmd); 1795 if (temp) 1796 fputs(temp, fp); 1797 else { 1798 fprintf(fp, "0x%lx { IO%s%s 0x%lx('%c'), %lu, %lu }", 1799 cmd, cmd & IOC_OUT ? "R" : "", 1800 cmd & IOC_IN ? "W" : "", IOCGROUP(cmd), 1801 isprint(IOCGROUP(cmd)) ? (char)IOCGROUP(cmd) : '?', 1802 cmd & 0xFF, IOCPARM_LEN(cmd)); 1803 } 1804 break; 1805 } 1806 case Timespec: { 1807 struct timespec ts; 1808 1809 if (get_struct(pid, args[sc->offset], &ts, sizeof(ts)) != -1) 1810 fprintf(fp, "{ %jd.%09ld }", (intmax_t)ts.tv_sec, 1811 ts.tv_nsec); 1812 else 1813 print_pointer(fp, args[sc->offset]); 1814 break; 1815 } 1816 case Timespec2: { 1817 struct timespec ts[2]; 1818 const char *sep; 1819 unsigned int i; 1820 1821 if (get_struct(pid, args[sc->offset], &ts, sizeof(ts)) != -1) { 1822 fputs("{ ", fp); 1823 sep = ""; 1824 for (i = 0; i < nitems(ts); i++) { 1825 fputs(sep, fp); 1826 sep = ", "; 1827 switch (ts[i].tv_nsec) { 1828 case UTIME_NOW: 1829 fprintf(fp, "UTIME_NOW"); 1830 break; 1831 case UTIME_OMIT: 1832 fprintf(fp, "UTIME_OMIT"); 1833 break; 1834 default: 1835 fprintf(fp, "%jd.%09ld", 1836 (intmax_t)ts[i].tv_sec, 1837 ts[i].tv_nsec); 1838 break; 1839 } 1840 } 1841 fputs(" }", fp); 1842 } else 1843 print_pointer(fp, args[sc->offset]); 1844 break; 1845 } 1846 case Timeval: { 1847 struct timeval tv; 1848 1849 if (get_struct(pid, args[sc->offset], &tv, sizeof(tv)) != -1) 1850 fprintf(fp, "{ %jd.%06ld }", (intmax_t)tv.tv_sec, 1851 tv.tv_usec); 1852 else 1853 print_pointer(fp, args[sc->offset]); 1854 break; 1855 } 1856 case Timeval2: { 1857 struct timeval tv[2]; 1858 1859 if (get_struct(pid, args[sc->offset], &tv, sizeof(tv)) != -1) 1860 fprintf(fp, "{ %jd.%06ld, %jd.%06ld }", 1861 (intmax_t)tv[0].tv_sec, tv[0].tv_usec, 1862 (intmax_t)tv[1].tv_sec, tv[1].tv_usec); 1863 else 1864 print_pointer(fp, args[sc->offset]); 1865 break; 1866 } 1867 case Itimerval: { 1868 struct itimerval itv; 1869 1870 if (get_struct(pid, args[sc->offset], &itv, sizeof(itv)) != -1) 1871 fprintf(fp, "{ %jd.%06ld, %jd.%06ld }", 1872 (intmax_t)itv.it_interval.tv_sec, 1873 itv.it_interval.tv_usec, 1874 (intmax_t)itv.it_value.tv_sec, 1875 itv.it_value.tv_usec); 1876 else 1877 print_pointer(fp, args[sc->offset]); 1878 break; 1879 } 1880 case LinuxSockArgs: 1881 { 1882 struct linux_socketcall_args largs; 1883 1884 if (get_struct(pid, args[sc->offset], (void *)&largs, 1885 sizeof(largs)) != -1) 1886 fprintf(fp, "{ %s, 0x%lx }", 1887 lookup(linux_socketcall_ops, largs.what, 10), 1888 (long unsigned int)largs.args); 1889 else 1890 print_pointer(fp, args[sc->offset]); 1891 break; 1892 } 1893 case Pollfd: { 1894 /* 1895 * XXX: A Pollfd argument expects the /next/ syscall argument 1896 * to be the number of fds in the array. This matches the poll 1897 * syscall. 1898 */ 1899 struct pollfd *pfd; 1900 int numfds = args[sc->offset + 1]; 1901 size_t bytes = sizeof(struct pollfd) * numfds; 1902 int i; 1903 1904 if ((pfd = malloc(bytes)) == NULL) 1905 err(1, "Cannot malloc %zu bytes for pollfd array", 1906 bytes); 1907 if (get_struct(pid, args[sc->offset], pfd, bytes) != -1) { 1908 fputs("{", fp); 1909 for (i = 0; i < numfds; i++) { 1910 fprintf(fp, " %d/%s", pfd[i].fd, 1911 xlookup_bits(poll_flags, pfd[i].events)); 1912 } 1913 fputs(" }", fp); 1914 } else { 1915 print_pointer(fp, args[sc->offset]); 1916 } 1917 free(pfd); 1918 break; 1919 } 1920 case Fd_set: { 1921 /* 1922 * XXX: A Fd_set argument expects the /first/ syscall argument 1923 * to be the number of fds in the array. This matches the 1924 * select syscall. 1925 */ 1926 fd_set *fds; 1927 int numfds = args[0]; 1928 size_t bytes = _howmany(numfds, _NFDBITS) * _NFDBITS; 1929 int i; 1930 1931 if ((fds = malloc(bytes)) == NULL) 1932 err(1, "Cannot malloc %zu bytes for fd_set array", 1933 bytes); 1934 if (get_struct(pid, args[sc->offset], fds, bytes) != -1) { 1935 fputs("{", fp); 1936 for (i = 0; i < numfds; i++) { 1937 if (FD_ISSET(i, fds)) 1938 fprintf(fp, " %d", i); 1939 } 1940 fputs(" }", fp); 1941 } else 1942 print_pointer(fp, args[sc->offset]); 1943 free(fds); 1944 break; 1945 } 1946 case Signal: 1947 fputs(strsig2(args[sc->offset]), fp); 1948 break; 1949 case Sigset: { 1950 sigset_t ss; 1951 int i, first; 1952 1953 if (get_struct(pid, args[sc->offset], (void *)&ss, 1954 sizeof(ss)) == -1) { 1955 print_pointer(fp, args[sc->offset]); 1956 break; 1957 } 1958 fputs("{ ", fp); 1959 first = 1; 1960 for (i = 1; i < sys_nsig; i++) { 1961 if (sigismember(&ss, i)) { 1962 fprintf(fp, "%s%s", !first ? "|" : "", 1963 strsig2(i)); 1964 first = 0; 1965 } 1966 } 1967 if (!first) 1968 fputc(' ', fp); 1969 fputc('}', fp); 1970 break; 1971 } 1972 case Sigprocmask: 1973 print_integer_arg(sysdecode_sigprocmask_how, fp, 1974 args[sc->offset]); 1975 break; 1976 case Fcntlflag: 1977 /* XXX: Output depends on the value of the previous argument. */ 1978 if (sysdecode_fcntl_arg_p(args[sc->offset - 1])) 1979 sysdecode_fcntl_arg(fp, args[sc->offset - 1], 1980 args[sc->offset], 16); 1981 break; 1982 case Open: 1983 print_mask_arg(sysdecode_open_flags, fp, args[sc->offset]); 1984 break; 1985 case Fcntl: 1986 print_integer_arg(sysdecode_fcntl_cmd, fp, args[sc->offset]); 1987 break; 1988 case Closerangeflags: 1989 print_mask_arg(sysdecode_close_range_flags, fp, args[sc->offset]); 1990 break; 1991 case Mprot: 1992 print_mask_arg(sysdecode_mmap_prot, fp, args[sc->offset]); 1993 break; 1994 case Mmapflags: 1995 print_mask_arg(sysdecode_mmap_flags, fp, args[sc->offset]); 1996 break; 1997 case Whence: 1998 print_integer_arg(sysdecode_whence, fp, args[sc->offset]); 1999 break; 2000 case ShmFlags: 2001 print_mask_arg(sysdecode_shmflags, fp, args[sc->offset]); 2002 break; 2003 case Sockdomain: 2004 print_integer_arg(sysdecode_socketdomain, fp, args[sc->offset]); 2005 break; 2006 case Socktype: 2007 print_mask_arg(sysdecode_socket_type, fp, args[sc->offset]); 2008 break; 2009 case Shutdown: 2010 print_integer_arg(sysdecode_shutdown_how, fp, args[sc->offset]); 2011 break; 2012 case Resource: 2013 print_integer_arg(sysdecode_rlimit, fp, args[sc->offset]); 2014 break; 2015 case RusageWho: 2016 print_integer_arg(sysdecode_getrusage_who, fp, args[sc->offset]); 2017 break; 2018 case Pathconf: 2019 print_integer_arg(sysdecode_pathconf_name, fp, args[sc->offset]); 2020 break; 2021 case Rforkflags: 2022 print_mask_arg(sysdecode_rfork_flags, fp, args[sc->offset]); 2023 break; 2024 case Sockaddr: { 2025 socklen_t len; 2026 2027 if (args[sc->offset] == 0) { 2028 fputs("NULL", fp); 2029 break; 2030 } 2031 2032 /* 2033 * Extract the address length from the next argument. If 2034 * this is an output sockaddr (OUT is set), then the 2035 * next argument is a pointer to a socklen_t. Otherwise 2036 * the next argument contains a socklen_t by value. 2037 */ 2038 if (sc->type & OUT) { 2039 if (get_struct(pid, args[sc->offset + 1], &len, 2040 sizeof(len)) == -1) { 2041 print_pointer(fp, args[sc->offset]); 2042 break; 2043 } 2044 } else 2045 len = args[sc->offset + 1]; 2046 2047 print_sockaddr(fp, trussinfo, args[sc->offset], len); 2048 break; 2049 } 2050 case Sigaction: { 2051 struct sigaction sa; 2052 2053 if (get_struct(pid, args[sc->offset], &sa, sizeof(sa)) != -1) { 2054 fputs("{ ", fp); 2055 if (sa.sa_handler == SIG_DFL) 2056 fputs("SIG_DFL", fp); 2057 else if (sa.sa_handler == SIG_IGN) 2058 fputs("SIG_IGN", fp); 2059 else 2060 fprintf(fp, "%p", sa.sa_handler); 2061 fprintf(fp, " %s ss_t }", 2062 xlookup_bits(sigaction_flags, sa.sa_flags)); 2063 } else 2064 print_pointer(fp, args[sc->offset]); 2065 break; 2066 } 2067 case Sigevent: { 2068 struct sigevent se; 2069 2070 if (get_struct(pid, args[sc->offset], &se, sizeof(se)) != -1) 2071 print_sigevent(fp, &se); 2072 else 2073 print_pointer(fp, args[sc->offset]); 2074 break; 2075 } 2076 case Kevent: { 2077 /* 2078 * XXX XXX: The size of the array is determined by either the 2079 * next syscall argument, or by the syscall return value, 2080 * depending on which argument number we are. This matches the 2081 * kevent syscall, but luckily that's the only syscall that uses 2082 * them. 2083 */ 2084 struct kevent *ke; 2085 int numevents = -1; 2086 size_t bytes; 2087 int i; 2088 2089 if (sc->offset == 1) 2090 numevents = args[sc->offset+1]; 2091 else if (sc->offset == 3 && retval[0] != -1) 2092 numevents = retval[0]; 2093 2094 if (numevents >= 0) { 2095 bytes = sizeof(struct kevent) * numevents; 2096 if ((ke = malloc(bytes)) == NULL) 2097 err(1, 2098 "Cannot malloc %zu bytes for kevent array", 2099 bytes); 2100 } else 2101 ke = NULL; 2102 if (numevents >= 0 && get_struct(pid, args[sc->offset], 2103 ke, bytes) != -1) { 2104 fputc('{', fp); 2105 for (i = 0; i < numevents; i++) { 2106 fputc(' ', fp); 2107 print_kevent(fp, &ke[i]); 2108 } 2109 fputs(" }", fp); 2110 } else { 2111 print_pointer(fp, args[sc->offset]); 2112 } 2113 free(ke); 2114 break; 2115 } 2116 case Kevent11: { 2117 struct freebsd11_kevent *ke11; 2118 struct kevent ke; 2119 int numevents = -1; 2120 size_t bytes; 2121 int i; 2122 2123 if (sc->offset == 1) 2124 numevents = args[sc->offset+1]; 2125 else if (sc->offset == 3 && retval[0] != -1) 2126 numevents = retval[0]; 2127 2128 if (numevents >= 0) { 2129 bytes = sizeof(struct freebsd11_kevent) * numevents; 2130 if ((ke11 = malloc(bytes)) == NULL) 2131 err(1, 2132 "Cannot malloc %zu bytes for kevent array", 2133 bytes); 2134 } else 2135 ke11 = NULL; 2136 memset(&ke, 0, sizeof(ke)); 2137 if (numevents >= 0 && get_struct(pid, args[sc->offset], 2138 ke11, bytes) != -1) { 2139 fputc('{', fp); 2140 for (i = 0; i < numevents; i++) { 2141 fputc(' ', fp); 2142 ke.ident = ke11[i].ident; 2143 ke.filter = ke11[i].filter; 2144 ke.flags = ke11[i].flags; 2145 ke.fflags = ke11[i].fflags; 2146 ke.data = ke11[i].data; 2147 ke.udata = ke11[i].udata; 2148 print_kevent(fp, &ke); 2149 } 2150 fputs(" }", fp); 2151 } else { 2152 print_pointer(fp, args[sc->offset]); 2153 } 2154 free(ke11); 2155 break; 2156 } 2157 case Stat: { 2158 struct stat st; 2159 2160 if (get_struct(pid, args[sc->offset], &st, sizeof(st)) 2161 != -1) { 2162 char mode[12]; 2163 2164 strmode(st.st_mode, mode); 2165 fprintf(fp, 2166 "{ mode=%s,inode=%ju,size=%jd,blksize=%ld }", mode, 2167 (uintmax_t)st.st_ino, (intmax_t)st.st_size, 2168 (long)st.st_blksize); 2169 } else { 2170 print_pointer(fp, args[sc->offset]); 2171 } 2172 break; 2173 } 2174 case Stat11: { 2175 struct freebsd11_stat st; 2176 2177 if (get_struct(pid, args[sc->offset], &st, sizeof(st)) 2178 != -1) { 2179 char mode[12]; 2180 2181 strmode(st.st_mode, mode); 2182 fprintf(fp, 2183 "{ mode=%s,inode=%ju,size=%jd,blksize=%ld }", mode, 2184 (uintmax_t)st.st_ino, (intmax_t)st.st_size, 2185 (long)st.st_blksize); 2186 } else { 2187 print_pointer(fp, args[sc->offset]); 2188 } 2189 break; 2190 } 2191 case StatFs: { 2192 unsigned int i; 2193 struct statfs buf; 2194 2195 if (get_struct(pid, args[sc->offset], &buf, 2196 sizeof(buf)) != -1) { 2197 char fsid[17]; 2198 2199 bzero(fsid, sizeof(fsid)); 2200 if (buf.f_fsid.val[0] != 0 || buf.f_fsid.val[1] != 0) { 2201 for (i = 0; i < sizeof(buf.f_fsid); i++) 2202 snprintf(&fsid[i*2], 2203 sizeof(fsid) - (i*2), "%02x", 2204 ((u_char *)&buf.f_fsid)[i]); 2205 } 2206 fprintf(fp, 2207 "{ fstypename=%s,mntonname=%s,mntfromname=%s," 2208 "fsid=%s }", buf.f_fstypename, buf.f_mntonname, 2209 buf.f_mntfromname, fsid); 2210 } else 2211 print_pointer(fp, args[sc->offset]); 2212 break; 2213 } 2214 2215 case Rusage: { 2216 struct rusage ru; 2217 2218 if (get_struct(pid, args[sc->offset], &ru, sizeof(ru)) 2219 != -1) { 2220 fprintf(fp, 2221 "{ u=%jd.%06ld,s=%jd.%06ld,in=%ld,out=%ld }", 2222 (intmax_t)ru.ru_utime.tv_sec, ru.ru_utime.tv_usec, 2223 (intmax_t)ru.ru_stime.tv_sec, ru.ru_stime.tv_usec, 2224 ru.ru_inblock, ru.ru_oublock); 2225 } else 2226 print_pointer(fp, args[sc->offset]); 2227 break; 2228 } 2229 case Rlimit: { 2230 struct rlimit rl; 2231 2232 if (get_struct(pid, args[sc->offset], &rl, sizeof(rl)) 2233 != -1) { 2234 fprintf(fp, "{ cur=%ju,max=%ju }", 2235 rl.rlim_cur, rl.rlim_max); 2236 } else 2237 print_pointer(fp, args[sc->offset]); 2238 break; 2239 } 2240 case ExitStatus: { 2241 int status; 2242 2243 if (get_struct(pid, args[sc->offset], &status, 2244 sizeof(status)) != -1) { 2245 fputs("{ ", fp); 2246 if (WIFCONTINUED(status)) 2247 fputs("CONTINUED", fp); 2248 else if (WIFEXITED(status)) 2249 fprintf(fp, "EXITED,val=%d", 2250 WEXITSTATUS(status)); 2251 else if (WIFSIGNALED(status)) 2252 fprintf(fp, "SIGNALED,sig=%s%s", 2253 strsig2(WTERMSIG(status)), 2254 WCOREDUMP(status) ? ",cored" : ""); 2255 else 2256 fprintf(fp, "STOPPED,sig=%s", 2257 strsig2(WTERMSIG(status))); 2258 fputs(" }", fp); 2259 } else 2260 print_pointer(fp, args[sc->offset]); 2261 break; 2262 } 2263 case Waitoptions: 2264 print_mask_arg(sysdecode_wait6_options, fp, args[sc->offset]); 2265 break; 2266 case Idtype: 2267 print_integer_arg(sysdecode_idtype, fp, args[sc->offset]); 2268 break; 2269 case Procctl: 2270 print_integer_arg(sysdecode_procctl_cmd, fp, args[sc->offset]); 2271 break; 2272 case Umtxop: { 2273 int rem; 2274 2275 if (print_mask_arg_part(sysdecode_umtx_op_flags, fp, 2276 args[sc->offset], &rem)) 2277 fprintf(fp, "|"); 2278 print_integer_arg(sysdecode_umtx_op, fp, rem); 2279 break; 2280 } 2281 case Atfd: 2282 print_integer_arg(sysdecode_atfd, fp, args[sc->offset]); 2283 break; 2284 case Atflags: 2285 print_mask_arg(sysdecode_atflags, fp, args[sc->offset]); 2286 break; 2287 case Accessmode: 2288 print_mask_arg(sysdecode_access_mode, fp, args[sc->offset]); 2289 break; 2290 case Sysarch: 2291 print_integer_arg(sysdecode_sysarch_number, fp, 2292 args[sc->offset]); 2293 break; 2294 case Sysctl: { 2295 char name[BUFSIZ]; 2296 int oid[CTL_MAXNAME + 2]; 2297 size_t len; 2298 2299 memset(name, 0, sizeof(name)); 2300 len = args[sc->offset + 1]; 2301 if (get_struct(pid, args[sc->offset], oid, 2302 len * sizeof(oid[0])) != -1) { 2303 fprintf(fp, "\""); 2304 if (oid[0] == CTL_SYSCTL) { 2305 fprintf(fp, "sysctl."); 2306 switch (oid[1]) { 2307 case CTL_SYSCTL_DEBUG: 2308 fprintf(fp, "debug"); 2309 break; 2310 case CTL_SYSCTL_NAME: 2311 fprintf(fp, "name "); 2312 print_sysctl_oid(fp, oid + 2, len - 2); 2313 break; 2314 case CTL_SYSCTL_NEXT: 2315 fprintf(fp, "next"); 2316 break; 2317 case CTL_SYSCTL_NAME2OID: 2318 fprintf(fp, "name2oid %s", 2319 get_string(pid, 2320 args[sc->offset + 4], 2321 args[sc->offset + 5])); 2322 break; 2323 case CTL_SYSCTL_OIDFMT: 2324 fprintf(fp, "oidfmt "); 2325 print_sysctl(fp, oid + 2, len - 2); 2326 break; 2327 case CTL_SYSCTL_OIDDESCR: 2328 fprintf(fp, "oiddescr "); 2329 print_sysctl(fp, oid + 2, len - 2); 2330 break; 2331 case CTL_SYSCTL_OIDLABEL: 2332 fprintf(fp, "oidlabel "); 2333 print_sysctl(fp, oid + 2, len - 2); 2334 break; 2335 case CTL_SYSCTL_NEXTNOSKIP: 2336 fprintf(fp, "nextnoskip"); 2337 break; 2338 default: 2339 print_sysctl(fp, oid + 1, len - 1); 2340 } 2341 } else { 2342 print_sysctl(fp, oid, len); 2343 } 2344 fprintf(fp, "\""); 2345 } 2346 break; 2347 } 2348 case PipeFds: 2349 /* 2350 * The pipe() system call in the kernel returns its 2351 * two file descriptors via return values. However, 2352 * the interface exposed by libc is that pipe() 2353 * accepts a pointer to an array of descriptors. 2354 * Format the output to match the libc API by printing 2355 * the returned file descriptors as a fake argument. 2356 * 2357 * Overwrite the first retval to signal a successful 2358 * return as well. 2359 */ 2360 fprintf(fp, "{ %d, %d }", (int)retval[0], (int)retval[1]); 2361 retval[0] = 0; 2362 break; 2363 case Utrace: { 2364 size_t len; 2365 void *utrace_addr; 2366 2367 len = args[sc->offset + 1]; 2368 utrace_addr = calloc(1, len); 2369 if (get_struct(pid, args[sc->offset], 2370 (void *)utrace_addr, len) != -1) 2371 print_utrace(fp, utrace_addr, len); 2372 else 2373 print_pointer(fp, args[sc->offset]); 2374 free(utrace_addr); 2375 break; 2376 } 2377 case IntArray: { 2378 int descriptors[16]; 2379 unsigned long i, ndescriptors; 2380 bool truncated; 2381 2382 ndescriptors = args[sc->offset + 1]; 2383 truncated = false; 2384 if (ndescriptors > nitems(descriptors)) { 2385 ndescriptors = nitems(descriptors); 2386 truncated = true; 2387 } 2388 if (get_struct(pid, args[sc->offset], 2389 descriptors, ndescriptors * sizeof(descriptors[0])) != -1) { 2390 fprintf(fp, "{"); 2391 for (i = 0; i < ndescriptors; i++) 2392 fprintf(fp, i == 0 ? " %d" : ", %d", 2393 descriptors[i]); 2394 fprintf(fp, truncated ? ", ... }" : " }"); 2395 } else 2396 print_pointer(fp, args[sc->offset]); 2397 break; 2398 } 2399 case Pipe2: 2400 print_mask_arg(sysdecode_pipe2_flags, fp, args[sc->offset]); 2401 break; 2402 case CapFcntlRights: { 2403 uint32_t rights; 2404 2405 if (sc->type & OUT) { 2406 if (get_struct(pid, args[sc->offset], &rights, 2407 sizeof(rights)) == -1) { 2408 print_pointer(fp, args[sc->offset]); 2409 break; 2410 } 2411 } else 2412 rights = args[sc->offset]; 2413 print_mask_arg32(sysdecode_cap_fcntlrights, fp, rights); 2414 break; 2415 } 2416 case Fadvice: 2417 print_integer_arg(sysdecode_fadvice, fp, args[sc->offset]); 2418 break; 2419 case FileFlags: { 2420 fflags_t rem; 2421 2422 if (!sysdecode_fileflags(fp, args[sc->offset], &rem)) 2423 fprintf(fp, "0x%x", rem); 2424 else if (rem != 0) 2425 fprintf(fp, "|0x%x", rem); 2426 break; 2427 } 2428 case Flockop: 2429 print_mask_arg(sysdecode_flock_operation, fp, args[sc->offset]); 2430 break; 2431 case Getfsstatmode: 2432 print_integer_arg(sysdecode_getfsstat_mode, fp, 2433 args[sc->offset]); 2434 break; 2435 case Kldsymcmd: 2436 print_integer_arg(sysdecode_kldsym_cmd, fp, args[sc->offset]); 2437 break; 2438 case Kldunloadflags: 2439 print_integer_arg(sysdecode_kldunload_flags, fp, 2440 args[sc->offset]); 2441 break; 2442 case AiofsyncOp: 2443 fputs(xlookup(aio_fsync_ops, args[sc->offset]), fp); 2444 break; 2445 case LioMode: 2446 fputs(xlookup(lio_modes, args[sc->offset]), fp); 2447 break; 2448 case Madvice: 2449 print_integer_arg(sysdecode_madvice, fp, args[sc->offset]); 2450 break; 2451 case Socklent: 2452 fprintf(fp, "%u", (socklen_t)args[sc->offset]); 2453 break; 2454 case Sockprotocol: { 2455 const char *temp; 2456 int domain, protocol; 2457 2458 domain = args[sc->offset - 2]; 2459 protocol = args[sc->offset]; 2460 if (protocol == 0) { 2461 fputs("0", fp); 2462 } else { 2463 temp = sysdecode_socket_protocol(domain, protocol); 2464 if (temp) { 2465 fputs(temp, fp); 2466 } else { 2467 fprintf(fp, "%d", protocol); 2468 } 2469 } 2470 break; 2471 } 2472 case Sockoptlevel: 2473 print_integer_arg(sysdecode_sockopt_level, fp, 2474 args[sc->offset]); 2475 break; 2476 case Sockoptname: { 2477 const char *temp; 2478 int level, name; 2479 2480 level = args[sc->offset - 1]; 2481 name = args[sc->offset]; 2482 temp = sysdecode_sockopt_name(level, name); 2483 if (temp) { 2484 fputs(temp, fp); 2485 } else { 2486 fprintf(fp, "%d", name); 2487 } 2488 break; 2489 } 2490 case Msgflags: 2491 print_mask_arg(sysdecode_msg_flags, fp, args[sc->offset]); 2492 break; 2493 case CapRights: { 2494 cap_rights_t rights; 2495 2496 if (get_struct(pid, args[sc->offset], &rights, 2497 sizeof(rights)) != -1) { 2498 fputs("{ ", fp); 2499 sysdecode_cap_rights(fp, &rights); 2500 fputs(" }", fp); 2501 } else 2502 print_pointer(fp, args[sc->offset]); 2503 break; 2504 } 2505 case Acltype: 2506 print_integer_arg(sysdecode_acltype, fp, args[sc->offset]); 2507 break; 2508 case Extattrnamespace: 2509 print_integer_arg(sysdecode_extattrnamespace, fp, 2510 args[sc->offset]); 2511 break; 2512 case Minherit: 2513 print_integer_arg(sysdecode_minherit_inherit, fp, 2514 args[sc->offset]); 2515 break; 2516 case Mlockall: 2517 print_mask_arg(sysdecode_mlockall_flags, fp, args[sc->offset]); 2518 break; 2519 case Mountflags: 2520 print_mask_arg(sysdecode_mount_flags, fp, args[sc->offset]); 2521 break; 2522 case Msync: 2523 print_mask_arg(sysdecode_msync_flags, fp, args[sc->offset]); 2524 break; 2525 case Priowhich: 2526 print_integer_arg(sysdecode_prio_which, fp, args[sc->offset]); 2527 break; 2528 case Ptraceop: 2529 print_integer_arg(sysdecode_ptrace_request, fp, 2530 args[sc->offset]); 2531 break; 2532 case Sendfileflags: 2533 print_mask_arg(sysdecode_sendfile_flags, fp, args[sc->offset]); 2534 break; 2535 case Sendfilehdtr: { 2536 struct sf_hdtr hdtr; 2537 2538 if (get_struct(pid, args[sc->offset], &hdtr, sizeof(hdtr)) != 2539 -1) { 2540 fprintf(fp, "{"); 2541 print_iovec(fp, trussinfo, (uintptr_t)hdtr.headers, 2542 hdtr.hdr_cnt); 2543 print_iovec(fp, trussinfo, (uintptr_t)hdtr.trailers, 2544 hdtr.trl_cnt); 2545 fprintf(fp, "}"); 2546 } else 2547 print_pointer(fp, args[sc->offset]); 2548 break; 2549 } 2550 case Quotactlcmd: 2551 if (!sysdecode_quotactl_cmd(fp, args[sc->offset])) 2552 fprintf(fp, "%#x", (int)args[sc->offset]); 2553 break; 2554 case Reboothowto: 2555 print_mask_arg(sysdecode_reboot_howto, fp, args[sc->offset]); 2556 break; 2557 case Rtpriofunc: 2558 print_integer_arg(sysdecode_rtprio_function, fp, 2559 args[sc->offset]); 2560 break; 2561 case Schedpolicy: 2562 print_integer_arg(sysdecode_scheduler_policy, fp, 2563 args[sc->offset]); 2564 break; 2565 case Schedparam: { 2566 struct sched_param sp; 2567 2568 if (get_struct(pid, args[sc->offset], &sp, sizeof(sp)) != -1) 2569 fprintf(fp, "{ %d }", sp.sched_priority); 2570 else 2571 print_pointer(fp, args[sc->offset]); 2572 break; 2573 } 2574 case PSig: { 2575 int sig; 2576 2577 if (get_struct(pid, args[sc->offset], &sig, sizeof(sig)) == 0) 2578 fprintf(fp, "{ %s }", strsig2(sig)); 2579 else 2580 print_pointer(fp, args[sc->offset]); 2581 break; 2582 } 2583 case Siginfo: { 2584 siginfo_t si; 2585 2586 if (get_struct(pid, args[sc->offset], &si, sizeof(si)) != -1) { 2587 fprintf(fp, "{ signo=%s", strsig2(si.si_signo)); 2588 decode_siginfo(fp, &si); 2589 fprintf(fp, " }"); 2590 } else 2591 print_pointer(fp, args[sc->offset]); 2592 break; 2593 } 2594 case Iovec: 2595 /* 2596 * Print argument as an array of struct iovec, where the next 2597 * syscall argument is the number of elements of the array. 2598 */ 2599 2600 print_iovec(fp, trussinfo, args[sc->offset], 2601 (int)args[sc->offset + 1]); 2602 break; 2603 case Aiocb: { 2604 struct aiocb cb; 2605 2606 if (get_struct(pid, args[sc->offset], &cb, sizeof(cb)) != -1) 2607 print_aiocb(fp, &cb); 2608 else 2609 print_pointer(fp, args[sc->offset]); 2610 break; 2611 } 2612 case AiocbArray: { 2613 /* 2614 * Print argment as an array of pointers to struct aiocb, where 2615 * the next syscall argument is the number of elements. 2616 */ 2617 uintptr_t cbs[16]; 2618 unsigned int nent; 2619 bool truncated; 2620 2621 nent = args[sc->offset + 1]; 2622 truncated = false; 2623 if (nent > nitems(cbs)) { 2624 nent = nitems(cbs); 2625 truncated = true; 2626 } 2627 2628 if (get_struct(pid, args[sc->offset], cbs, sizeof(uintptr_t) * nent) != -1) { 2629 unsigned int i; 2630 fputs("[", fp); 2631 for (i = 0; i < nent; ++i) { 2632 struct aiocb cb; 2633 if (i > 0) 2634 fputc(',', fp); 2635 if (get_struct(pid, cbs[i], &cb, sizeof(cb)) != -1) 2636 print_aiocb(fp, &cb); 2637 else 2638 print_pointer(fp, cbs[i]); 2639 } 2640 if (truncated) 2641 fputs(",...", fp); 2642 fputs("]", fp); 2643 } else 2644 print_pointer(fp, args[sc->offset]); 2645 break; 2646 } 2647 case AiocbPointer: { 2648 /* 2649 * aio_waitcomplete(2) assigns a pointer to a pointer to struct 2650 * aiocb, so we need to handle the extra layer of indirection. 2651 */ 2652 uintptr_t cbp; 2653 struct aiocb cb; 2654 2655 if (get_struct(pid, args[sc->offset], &cbp, sizeof(cbp)) != -1) { 2656 if (get_struct(pid, cbp, &cb, sizeof(cb)) != -1) 2657 print_aiocb(fp, &cb); 2658 else 2659 print_pointer(fp, cbp); 2660 } else 2661 print_pointer(fp, args[sc->offset]); 2662 break; 2663 } 2664 case Sctpsndrcvinfo: { 2665 struct sctp_sndrcvinfo info; 2666 2667 if (get_struct(pid, args[sc->offset], 2668 &info, sizeof(struct sctp_sndrcvinfo)) == -1) { 2669 print_pointer(fp, args[sc->offset]); 2670 break; 2671 } 2672 print_sctp_sndrcvinfo(fp, sc->type & OUT, &info); 2673 break; 2674 } 2675 case Msghdr: { 2676 struct msghdr msghdr; 2677 2678 if (get_struct(pid, args[sc->offset], 2679 &msghdr, sizeof(struct msghdr)) == -1) { 2680 print_pointer(fp, args[sc->offset]); 2681 break; 2682 } 2683 fputs("{", fp); 2684 print_sockaddr(fp, trussinfo, (uintptr_t)msghdr.msg_name, msghdr.msg_namelen); 2685 fprintf(fp, ",%d,", msghdr.msg_namelen); 2686 print_iovec(fp, trussinfo, (uintptr_t)msghdr.msg_iov, msghdr.msg_iovlen); 2687 fprintf(fp, ",%d,", msghdr.msg_iovlen); 2688 print_cmsgs(fp, pid, sc->type & OUT, &msghdr); 2689 fprintf(fp, ",%u,", msghdr.msg_controllen); 2690 print_mask_arg(sysdecode_msg_flags, fp, msghdr.msg_flags); 2691 fputs("}", fp); 2692 break; 2693 } 2694 2695 default: 2696 errx(1, "Invalid argument type %d\n", sc->type & ARG_MASK); 2697 } 2698 fclose(fp); 2699 return (tmp); 2700 } 2701 2702 /* 2703 * Print (to outfile) the system call and its arguments. 2704 */ 2705 void 2706 print_syscall(struct trussinfo *trussinfo) 2707 { 2708 struct threadinfo *t; 2709 const char *name; 2710 char **s_args; 2711 int i, len, nargs; 2712 2713 t = trussinfo->curthread; 2714 2715 name = t->cs.sc->name; 2716 nargs = t->cs.nargs; 2717 s_args = t->cs.s_args; 2718 2719 len = print_line_prefix(trussinfo); 2720 len += fprintf(trussinfo->outfile, "%s(", name); 2721 2722 for (i = 0; i < nargs; i++) { 2723 if (s_args[i] != NULL) 2724 len += fprintf(trussinfo->outfile, "%s", s_args[i]); 2725 else 2726 len += fprintf(trussinfo->outfile, 2727 "<missing argument>"); 2728 len += fprintf(trussinfo->outfile, "%s", i < (nargs - 1) ? 2729 "," : ""); 2730 } 2731 len += fprintf(trussinfo->outfile, ")"); 2732 for (i = 0; i < 6 - (len / 8); i++) 2733 fprintf(trussinfo->outfile, "\t"); 2734 } 2735 2736 void 2737 print_syscall_ret(struct trussinfo *trussinfo, int error, register_t *retval) 2738 { 2739 struct timespec timediff; 2740 struct threadinfo *t; 2741 struct syscall *sc; 2742 2743 t = trussinfo->curthread; 2744 sc = t->cs.sc; 2745 if (trussinfo->flags & COUNTONLY) { 2746 timespecsub(&t->after, &t->before, &timediff); 2747 timespecadd(&sc->time, &timediff, &sc->time); 2748 sc->ncalls++; 2749 if (error != 0) 2750 sc->nerror++; 2751 return; 2752 } 2753 2754 print_syscall(trussinfo); 2755 fflush(trussinfo->outfile); 2756 2757 if (retval == NULL) { 2758 /* 2759 * This system call resulted in the current thread's exit, 2760 * so there is no return value or error to display. 2761 */ 2762 fprintf(trussinfo->outfile, "\n"); 2763 return; 2764 } 2765 2766 if (error == ERESTART) 2767 fprintf(trussinfo->outfile, " ERESTART\n"); 2768 else if (error == EJUSTRETURN) 2769 fprintf(trussinfo->outfile, " EJUSTRETURN\n"); 2770 else if (error != 0) { 2771 fprintf(trussinfo->outfile, " ERR#%d '%s'\n", 2772 sysdecode_freebsd_to_abi_errno(t->proc->abi->abi, error), 2773 strerror(error)); 2774 } else if (sc->decode.ret_type == 2 && 2775 t->proc->abi->pointer_size == 4) { 2776 off_t off; 2777 #if _BYTE_ORDER == _LITTLE_ENDIAN 2778 off = (off_t)retval[1] << 32 | retval[0]; 2779 #else 2780 off = (off_t)retval[0] << 32 | retval[1]; 2781 #endif 2782 fprintf(trussinfo->outfile, " = %jd (0x%jx)\n", (intmax_t)off, 2783 (intmax_t)off); 2784 } else { 2785 fprintf(trussinfo->outfile, " = %jd (0x%jx)\n", 2786 (intmax_t)retval[0], (intmax_t)retval[0]); 2787 } 2788 } 2789 2790 void 2791 print_summary(struct trussinfo *trussinfo) 2792 { 2793 struct timespec total = {0, 0}; 2794 struct syscall *sc; 2795 int ncall, nerror; 2796 2797 fprintf(trussinfo->outfile, "%-20s%15s%8s%8s\n", 2798 "syscall", "seconds", "calls", "errors"); 2799 ncall = nerror = 0; 2800 STAILQ_FOREACH(sc, &seen_syscalls, entries) { 2801 if (sc->ncalls) { 2802 fprintf(trussinfo->outfile, "%-20s%5jd.%09ld%8d%8d\n", 2803 sc->name, (intmax_t)sc->time.tv_sec, 2804 sc->time.tv_nsec, sc->ncalls, sc->nerror); 2805 timespecadd(&total, &sc->time, &total); 2806 ncall += sc->ncalls; 2807 nerror += sc->nerror; 2808 } 2809 } 2810 fprintf(trussinfo->outfile, "%20s%15s%8s%8s\n", 2811 "", "-------------", "-------", "-------"); 2812 fprintf(trussinfo->outfile, "%-20s%5jd.%09ld%8d%8d\n", 2813 "", (intmax_t)total.tv_sec, total.tv_nsec, ncall, nerror); 2814 } 2815